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Islamic architecture encompasses a wide range of both secular and religious styles from the early history of Islam to the present day. What today is known as Islamic architecture was influenced by Roman, Byzantine, Persian and all other lands which the Muslims conquered in the 7th and 8th centuries. Further east, it was also influenced by Chinese and Indian architecture as Islam spread to Southeast Asia. It developed distinct characteristics in the form of buildings, and the decoration of surfaces with Islamic calligraphy and geometric and interlace patterned ornament. The principal Islamic architectural types for large or public buildings are: the Mosque, the Tomb, the Palace and the Fort. From these four types, the vocabulary of Islamic architecture is derived and used for other buildings such as public baths, fountains and domestic architecture.
Many of the buildings which are mentioned in this article are listed as World Heritage Sites. Some of them, like the Citadel of Aleppo, have suffered significant damage in the ongoing Syrian Civil War.
According to one set of views, Islam started during the lifetime of Muhammad in the 7th century CE, and so did architectural components such as the mosque. In this case, either the Mosque of the Companions in the Eritrean city of Massawa, or Quba Mosque in Medina, would be the first mosque that was built in the history of Islam.
According to another set of views, which uses passages of the Quran, Islam as a religion preceded Muhammad, representing even previous Prophets such as Abraham. Abraham in Islam is credited with having built the Ka‘bah (Arabic: كَـعْـبَـة, 'Cube') in Mecca, and consequently its sanctuary, which is seen as the first mosque that ever existed.
The Dome of the Rock (Qubbat al-Sakhrah) in Jerusalem (691) is one of the most important buildings in all of Islamic architecture. It is patterned after the nearby Church of the Holy Sepulchre and Byzantine Christian artists were employed to create its elaborate mosaics against a golden background. The great epigraphic vine frieze was adapted from the pre-Islamic Syrian style. The Dome of the Rock featured interior vaulted spaces, a circular dome, and the use of stylized repeating decorative arabesque patterns. Desert palaces in Jordan and Syria (for example, Mshatta, Qasr Amra, and Khirbat al-Mafjar) served the caliphs as living quarters, reception halls, and baths, and were decorated to promote an image of royal luxury.
The horseshoe arch became a popular feature in Islamic structures. Some suggest the Muslims acquired this from the Visigoths in Spain but they may have obtained it from Syria and Persia where the horseshoe arch had been in use by the Byzantines. In Moorish architecture, the curvature of the horseshoe arch is much more accentuated. Furthermore, alternating colours were added to accentuate the effect of its shape. This can be seen at a large scale in their major work, the Great Mosque of Córdoba.
The Great Mosque of Damascus (completed in 715 by caliph Al-Walid I), built on the site of the basilica of John the Baptist after the Islamic invasion of Damascus, still bore great resemblance to 6th and 7th century Christian basilicas. Certain modifications were implemented, including expanding the structure along the transversal axis which better fit with the Islamic style of prayer.
The Abbasid dynasty (750 AD- 1258) witnessed the movement of the capital from Damascus to Baghdad, and then from Baghdad to Samarra. The shift to Baghdad influenced politics, culture, and art. The Great Mosque of Samarra, once the largest in the world, was built for the new capital. Other major mosques built in the Abbasid Dynasty include the Mosque of Ibn Tulun in Cairo, Abu Dalaf in Iraq, the great mosque in Tunis. Abbasid architecture in Iraq as exemplified in the Fortress of Al-Ukhaidir (c.775-6) demonstrated the "despotic and the pleasure-loving character of the dynasty" in its grand size but cramped living quarters.
The Great Mosque of Kairouan (in Tunisia) is considered the ancestor of all the mosques in the western Islamic world. Its original marble columns and sculptures were of Roman workmanship brought in from Carthage and other elements resemble Roman form. It is one of the best preserved and most significant examples of early great mosques, founded in 670 AD and dating in its present form largely from the Aghlabid period (9th century). The Great Mosque of Kairouan is constituted of a massive square minaret, a large courtyard surrounded by porticos and a huge hypostyle prayer hall covered on its axis by two cupolas. The Great Mosque of Samarra in Iraq, completed in 847 AD, combined the hypostyle architecture of rows of columns supporting a flat base above which a huge spiraling minaret was constructed.
The Hagia Sophia in Istanbul also influenced Islamic architecture. When the Ottomans captured the city from the Byzantines, they converted the basilica to a mosque (now a museum) and incorporated Byzantine architectural elements into their own work (e.g. domes). The Hagia Sophia also served as a model for many Ottoman mosques such as the Shehzade Mosque, the Suleiman Mosque, and the Rüstem Pasha Mosque. Domes are a major structural feature of Islamic architecture. The dome first appeared in Islamic architecture in 691 with the construction of the Dome of the Rock, a near replica of the existing Church of the Holy Sepulchre and other Christian domed basilicas situated nearby. Domes remain in use, being a significant feature of many mosques and of the Taj Mahal in the 17th century. The distinctive pointed domes of Islamic architecture, also originating with the Byzantines and Persians, have remained a distinguishing feature of mosques into the 21st century.
Distinguishing motifs of Islamic architecture have always been the mathematical themes of ordered repetition, radiating structures, and rhythmic, metric patterns. In this respect, fractal geometry has been a key utility, especially for mosques and palaces. Other significant features employed as motifs include columns, piers and arches, organized and interwoven with alternating sequences of niches and colonnettes.
Inside the Jame Mosque of Yazd, Iran
Dome of the mihrab (9th century) in the Great Mosque of Kairouan, Tunisia
The Mosque of Rome, Italy
East London Mosque, England
From the eighth to the eleventh century, Islamic architectural styles were influenced by two different ancient traditions:
The transition process between late Antiquity, or post-classical, and Islamic architecture is exemplified by archaeologic findings in North Syria and Palestine, the Bilad al-Sham of the Umayyad and Abbasid dynasties. In this region, late antique, or Christian, architectural traditions merged with the pre-Islamic Arabian heritage of the conquerors. Recent research on the history of Islamic art and architecture has revised a number of colonialistic ideas. Specifically, the following questions are currently subject to renewed discussions in the light of recent findings and new concepts of cultural history:
Compared to earlier research, the assimilation and transformation of pre-existing architectural traditions is investigated under the aspect of mutual intra- and intercultural exchange of ideas, technologies and styles as well as artists, architects, and materials. In the area of art and architecture, the Rise of Islam is seen as a continuous transformation process leading from late Antiquity to the Islamic period. Early research into the area regarded the early Islamic architecture merely as a break with the past, from which apparently rose a distorted and less expressive form of art, or a degenerate imitation of the post-classical architectural forms. Modern concepts tend to regard the transition between the cultures rather as a selective process of informed appropriation and transformation. The Umayyads played a crucial role in this process of transforming and thereby enriching the existing architectural traditions, or, in a more general sense, of the visual culture of the nascent Islamic society.
Gardens and water have for many centuries played an essential role in Islamic culture, and are often compared to the garden of Paradise. The comparison originates from the Achaemenid Empire. In his dialogue "Oeconomicus", Xenophon has Socrates relate the story of the Spartan general Lysander's visit to the Persian prince Cyrus the Younger, who shows the Greek his "Paradise at Sardis". The classical form of the Persian Paradise garden, or the Charbagh, comprises a rectangular irrigated space with elevated pathways, which divide the garden into four sections of equal size:
One of the hallmarks of Persian gardens is the four-part garden laid out with axial paths that intersect at the garden's centre. This highly structured geometrical scheme, called the chahar bagh, became a powerful metaphor for the organization and domestication of the landscape, itself a symbol of political territory.
A charbagh from Achaemenid time has been identified in the archaeological excavations at Pasargadae. The gardens of Chehel Sotoun (Isfahan), Fin Garden (Kashan), Eram Garden (Shiraz), Shazdeh Garden (Mahan), Dowlatabad Garden (Yazd), Abbasabad Garden (Abbasabad), Akbarieh Garden (South Khorasan Province), Pahlevanpour Garden, all in Iran, form part of the UNESCO World Heritage. Large Paradise gardens are also found at the Taj Mahal (Agra), and at Humayun's Tomb (New Delhi), in India; the Shalimar Gardens (Lahore, Pakistan) or at the Alhambra and Generalife in Granada, Spain.
A Hypostyle, i.e., an open hall supported by columns combined with a reception hall set at right angle to the main hall, is considered to be derived from architectural traditions of Achaemenid period Persian assembly halls ("apadana"). This type of building originated from the Roman-style basilica with an adjacent courtyard surrounded by colonnades, like Trajan's Forum in Rome. The Roman type of building has developed out of the Greek agora. In Islamic architecture, the hypostyle hall is the main feature of the hypostyle mosque. One of the earliest hypostyle mosques is the Tarikhaneh Mosque in Iran, dating back to the 8th century.
In Islamic buildings, vaulting follows two distinct architectural styles: Whilst Umayyad architecture continues Syrian traditions of the 6th and 7th century, Eastern Islamic architecture was mainly influenced by Sasanian styles and forms.
In their vaulting structures, Umayyad period buildings show a mixture of ancient Roman and Persian architectural traditions. Diaphragm arches with lintelled ceilings made of wood or stone beams, or, alternatively, with barrel vaults, were known in the Levant since the classical and Nabatean period. They were mainly used to cover houses and cisterns. The architectural form of covering diaphragm arches with barrel vaults, however, was likely newly introduced from Iranian architecture, as similar vaulting was not known in Bilad al-Sham before the arrival of the Umayyads. However, this form was well known in Iran from early Parthian times, as exemplified in the Parthian buildings of Aššur. The earliest known example for barrel vaults resting on diaphragm arches from Umayyad architecture is known from Qasr Harane in Syria. During the early period, the diaphragm arches are built from coarsely cut limestone slabs, without using supporting falsework, which were connected by gypsum mortar. Later-period vaults were erected using pre-formed lateral ribs modelled from gypsum, which served as a temporal formwork to guide and center the vault. These ribs, which were left in the structure afterwards, do not carry any load. The ribs were cast in advance on strips of cloth, the impression of which can still be seen in the ribs today. Similar structures are known from Sasanian architecture, for example from the palace of Firuzabad. Umayyad-period vaults of this type were found in Amman Citadel and in Qasr Amra.
The double-arched system of arcades of the Mosque–Cathedral of Córdoba is generally considered to be derived from Roman aqueducts like the nearby aqueduct of Los Milagros. Columns are connected by horseshoe arches, and support pillars of brickwork, which are in turn interconnected by semicircular arches supporting the flat timberwork ceiling.
Arcades of the Aljafería of Zaragoza
In later-period additions to the Mosque of Córdoba, the basic architectural design was changed: Horseshoe arches were now used for the upper row of arcades, which is now supported by five-pass arches. In sections which now supported domes, additional supporting structures were needed to bear the thrust of the cupolas. The architects solved this problem by the construction of intersecting three- or five-pass arches. The three domes spanning the vaults above the mihrab wall are constructed as ribbed vaults. Rather than meeting in the center of the dome, the ribs intersect one another off-center, forming an eight-pointed star in the center which is superseded by a pendentive dome.
The ribbed vaults of the mosque-cathedral of Córdoba served as models for later mosque buildings in the Islamic West of al-Andaluz and the Maghreb. At around 1000 AD, the Mezquita de Bab al Mardum (today: Mosque of Cristo de la Luz) in Toledo was constructed with a similar, eight-ribbed dome. Similar domes are also seen in the mosque building of the Aljafería of Zaragoza. The architectural form of the ribbed dome was further developed in the Maghreb: The central dome of the Great Mosque of Tlemcen, a masterpiece of the Almoravids built in 1082, has twelve slender ribs, the shell between the ribs is filled with filigree stucco work.
Because of its long history of building and re-building, spanning the time from the Abbasids to the Qajar dynasty, and its excellent state of conservation, the Jameh Mosque of Isfahan provides an overview over the experiments Islamic architects conducted with complicated vaulting structures.
The system of squinches, which is a construction filling in the upper angles of a square room so as to form a base to receive an octagonal or spherical dome, was already known in Sasanian architecture. The spherical triangles of the squinches were split up into further subdivisions or systems of niches, resulting in a complex interplay of supporting structures forming an ornamental spatial pattern which hides the weight of the structure.
The "non-radial rib vault", an architectural form of ribbed vaults with a superimposed spherical dome, is the characteristic architectural vault form of the Islamic East. From its beginnings in the Jameh Mosque of Isfahan, this form of vault was used in a sequence of important buildings up to the period of Safavid architecture. Its main characteristics are:
While intersecting pairs of ribs from the main decorative feature of Seljuk architecture, the ribs were hidden behind additional architectural elements in later periods, as exemplified in the dome of the Tomb of Ahmed Sanjar in Merv, until they finally disappeared completely behind the double shell of a stucco dome, as seen in the dome of Ālī Qāpū in Isfahan.
Based on the model of pre-existing Byzantine domes, the Ottoman Architecture developed a specific form of monumental, representative building: Wide central domes with huge diameters were erected on top of a centre-plan building. Despite their enormous weight, the domes appear virtually weightless. Some of the most elaborate domed buildings have been constructed by the Ottoman architect Mimar Sinan.
When the Ottomans had conquered Constantinople, they found a variety of Byzantine Christian churches, the largest and most prominent amongst them was the Hagia Sophia. The brickwork-and-mortar ribs and the spherical shell of the central dome of the Hagia Sophia were built simultaneously, as a self-supporting structure without any wooden centring. In the early Byzantine church of Hagia Irene, the ribs of the dome vault are fully integrated into the shell, similar to Western Roman domes, and thus are not visible from within the building. In the dome of the Hagia Sophia, the ribs and shell of the dome unite in a central medallion at the apex of the dome, the upper ends of the ribs being integrated into the shell: Shell and ribs form one single structural entity. In later Byzantine buildings, like the Kalenderhane Mosque, the Eski Imaret Mosque (formerly the Monastery of Christ Pantepoptes) or the Pantokrator Monastery (today: Zeyrek Mosque), the central medallion of the apex and the ribs of the dome became separate structural elements: The ribs are more pronounced and connect to the central medallion, which also stands out more pronouncedly, so that the entire construction gives the impression as if ribs and medallion are separate from, and underpin, the proper shell of the dome.
Mimar Sinan solved the structural issues of the Hagia Sophia dome by constructing a system of centrally symmetric pillars with flanking semi-domes, as exemplified by the design of the Süleymaniye Mosque (four pillars with two flanking shield walls and two semi-domes, 1550–1557), the Rüstem Pasha Mosque (eight pillars with four diagonal semi-domes, 1561–1563), and the Selimiye Mosque in Edirne (eight pillars with four diagonal semi-domes, 1567/8–1574/5). In the history of architecture, the structure of the Selimiye Mosque has no precedent. All elements of the building subordinate to its great dome.
The architectural element of muqarnas developed in northeastern Iran and the Maghreb around the middle of the 10th century. The ornament is created by the geometric subdivision of a vaulting structure into miniature, superimposed pointed-arch substructures, also known as "honeycomb", or "stalactite" vaults. Made from different materials like stone, brick, wood or stucco, its use in architecture spread over the entire Islamic world. In the Islamic West, muqarnas are also used to adorn the outside of a dome, cupola, or similar structure, whilst in the East is more limited to the interior face of a vault.
Design of a muqarnas quarter vault from the Topkapı Scroll
Muqarnas in the necropolis of Shah-i-Zinda, Samarqand
Muqarnas in the Alhambra
As a common feature, Islamic architecture makes use of specific ornamental forms, including mathematically complicated, elaborate geometric and interlace patterns, floral motifs like the arabesque, and elaborate calligraphic inscriptions, which serve to decorate a building, specify the intention of the building by the selection of the textual program of the inscriptions. For example, the calligraphic inscriptions adorning the Dome of the Rock include quotations from the Quran (e.g., Quran 19:33–35) which reference the miracle of Jesus and his human nature.
The geometric or floral, interlaced forms, taken together, constitute an infinitely repeated pattern that extends beyond the visible material world. To many in the Islamic world, they symbolize the concept of infinite proves of existence of one eternal God. The repetitiveness, simplicity contrasted with complexity and percision suggests that our complex universe is only one of the many manifestations of the infinitely obvious and present Allah, the one God. Furthermore, the Islamic artist conveys a definite spirituality without the iconography of Christian art. Non-figural ornaments are used in mosques and buildings around the Muslim world, and it is a way of decorating using beautiful, embellishing and repetitive Islamic art instead of using pictures of humans and animals (which some Muslims believe is forbidden (Haram) in Islam).
Instead of recalling something related to the reality of the spoken word, calligraphy for the Muslim is a visible expression of spiritual concepts. Calligraphy has arguably become the most venerated form of Islamic art because it provides a link between the languages of the Muslims with the religion of Islam. The holy book of Islam, al-Qur'ān, has played a vital role in the development of the Arabic language, and by extension, calligraphy in the Arabic alphabet. Proverbs and complete passages from the Qur'an are still active sources for Islamic calligraphy. Contemporary artists in the Islamic world draw on the heritage of calligraphy to use calligraphic inscriptions or abstractions in their work.
Geometrical tile ornament (Zellij), Ben Youssef Madrasa, Maroc
Calligraphic inscription on the dome of the Mevlana mausoleum
Dome of the Shah Mosque in Isfahan with calligraphic inscription
Many forms of Islamic architecture have evolved in different regions of the Islamic world. Notable Islamic architectural types include the early Abbasid buildings, T-Type mosques, and the central-dome mosques of Anatolia. The oil-wealth of the 20th century drove a great deal of mosque construction using designs from leading modern architects.
Arab-plan or hypostyle mosques are the earliest type of mosques, pioneered under the Umayyad Dynasty. These mosques are square or rectangular in plan with an enclosed courtyard and a covered prayer hall. Historically, because of the warm Mediterranean and Middle Eastern climates, the courtyard served to accommodate the large number of worshippers during Friday prayers. Most early hypostyle mosques have flat roofs on top of prayer halls, necessitating the use of numerous columns and supports. One of the most notable hypostyle mosques is the Mezquita in Córdoba, Spain, as the building is supported by over 850 columns. Frequently, hypostyle mosques have outer arcades so that visitors can enjoy some shade. Arab-plan mosques were constructed mostly under the Umayyad and Abbasid dynasties; subsequently, however, the simplicity of the Arab plan limited the opportunities for further development, and as a result, these mosques gradually fell out of popularity.
The Ottomans introduced central dome mosques in the 15th century and have a large dome centered over the prayer hall. In addition to having one large dome at the center, there are often smaller domes that exist off-center over the prayer hall or throughout the rest of the mosque, where prayer is not performed. This style was heavily influenced by the Byzantine religious architecture with its use of large central domes.
A sample of modern Islamic architecture - The mosque of international conferences center - Isfahan
Islamic architecture may be identified with the following design elements, which were inherited from the first mosque buildings (originally a feature of the Masjid al-Nabawi).
Qibla is the direction in which Mecca is from any given location, and within Islamic architecture it is a major component of both the features and the orientation of the building itself. Ancient Islamic cities and the Mihrab in mosques were meant to be built facing in this direction, yet when actually observing the layout of such areas they do not all point to the same place. This is due to discrepancies in the calculations of the Islamic scientists in the past who determined where Mecca was from their individual locations. Scholars note that these differences come about for a multitude of reasons, such as some misunderstanding the meaning of Qibla itself, the fact that the geographic coordinates of the past do not line up with the coordinates of today, and that the determination of this direction was more an astronomical calculation, rather than a mathematical one. Early mosques were constructed according to either the calculations of what direction Qibla was approximately, or with the Mihrab facing south, as that was the direction that the Prophet Muhammad was facing when he prayed in Medina, which is a city directly north of Mecca
During its history, the society of the pre-modern Islamic world was dominated by two important social contexts, nomadic life and Urbanism. The historian and politician Ibn Khaldun thoroughly discusses both concepts in his book Muqaddimah. According to him, the way of life and culture of the rural bedouin nomads and the townspeople are opposed in a central social conflict. Ibn Khaldun explains the rise and fall of civilizations by his concept of Asabiyyah ("bond of cohesion", or "family loyalty"), as exemplified by the rule of the caliphs. Bedouins, being the nomadic inhabitants of the steppe and the desert, are interconnected by strong bonds of asabiyyah and firm religious beliefs. These bonds tend to slacken in urban communities over some generations. In parallel, by losing their asabiyyah, the townspeople also lose the power to defend themselves, and fall victims to more aggressive tribes which may destroy the city and set up a new ruling dynasty, which over time is subject to the same weakening of power again.
The antique concept of the architecture of a Greek polis or Roman civitas is based on a structure of main and smaller roads running through the entire city, and dividing it into quarters. The streets are oriented towards public buildings like a palace, temple, or a public square. Two main roads, (cardo and decumanus) cross each other at right angles in the center of the city. A few cities were founded during the early Islamic Umayyad Caliphate, the outlines of which were based on the Ancient Roman concept of the Ideal city. An example of a city planned according to Hellenistic concepts was excavated at Anjar in Lebanon.
More often than founding new cities, the new Islamic rulers took over existing towns, and transformed them according to the needs of the new Islamic society. This process of transformation proved to be decisive for the development of the traditional Islamic city, or Medina. The principle of arranging buildings is known as "horizontal spread". Residencies and public buildings as well as private housing tend to be laid out separately, and are not directly related to each other architectonically. Archaeological excavations at the city of Jerash, the Gerasa of Antiquity, have revealed how the Umayyads have transformed the city plan.
The architecture of the "oriental"-Islamic town is based on cultural and sociological concepts which differ from those of European cities. In both cultures, a distinction is made between the areas used by the rulers and their government and administration, public places of everyday common life, and the areas of private life. Whilst the structures and concepts of European towns originated from a sociological struggle to gain basic rights of freedom – or town privileges – from political or religious authorities during the Middle Ages, an Islamic town or city is fundamentally influenced by the preservation of the unity of secular and religious life throughout time.
The fundamental principle of the Islamic society is the ummah, or ummat al-Islamiyah (Arabic: الأمة الإسلامية), the community of Muslims of whom each individual is equally submitted to Allah under the common law of sharia, which also subjected the respective ruler, at least nominally. In Abbasid times, some cities like the Round city of Baghdad were constructed from scratch, set up to a plan which focused on the caliph's residence, located in the very centre of the city, with main roads leading radially from the city gates to the central palace, dividing individual tribal sections with no interconnection, and separated from each other by radial walls. However, these efforts were of short duration only, and the original plan soon disappeared and gave way to succeeding buildings and architectural structures.
In a medina, palaces and residences as well as public places like mosque-madrasa-hospital complexes and private living spaces rather coexist alongside each other. The buildings tend to be more inwardly oriented, and are separated from the surrounding "outside" either by walls or by the hierarchical ordering of the streets, or both. Streets tend to lead from public main roads to cul-de-sac byroads and onwards into more private plots, and then end there. There are no, or very few, internal connections between different quarters of the city. In order to move from one quarter to the next, one has to go back to the main road again.
Within a city quarter, byroads lead towards individual building complexes or clusters of houses. The individual house is frequently also oriented towards an inner atrium, and enclosed by walls, which mostly are unadorned, unlike European outward-oriented, representative facades. Thus, the spatial structure of a medina essentially reflects the ancient nomadic tradition of living in a family group or tribe, held together by asabiyya, strictly separated from the "outside". In general, the morphology of an Islamic medina is granting – or denying – access according to the basic concept of hierarchical degrees of privacy. The inhabitants move from public space to the living quarters of their tribe, and onwards to their family home. Within a family house, there are again to be found common and separate spaces, the latter, and most private, usually reserved for women and children. In the end, only the family heads have free and unlimited access to all rooms and areas of ther private home, as opposed to the more European concept of interconnecting different spaces for free and easy access. The hierarchy of privacy thus guides and structurizes the entire social life in a medina, from the caliph down to his most humble subject, from the town to the house.
In the frontier area of the Arabic expansion, military forts (Misr, Pl. Arabic: أمصار, amṣār), or Ribat (Arabic: رباط ribāṭ, fortress) were founded. The structure and function of a misr is similar to an ancient Roman Colonia. Like a frontier colony, the fortress served as a base for further conquests. Arabian military forts of this type were frequently built in the vicinity of an older town from Antiquity or from Byzantine times. They frequently were of square format.
Rather than maintaining their original purpose to serve as a military base, many amṣār developed into urbane and administrative centers. In particular, this happened in the case of the Iraqi cities of Kufa and Basra, which became known as "al-miṣrān" ("the [two] forts"), but also with Fustat and Kairouan in North Africa.
Qaṣr (Arabic: قصر, qaṣr; Pl. Arabic: قصور, quṣūr) means palace, castle or (frontier) fort. Fortresses from Late Antiquity often continued to be in use, whilst their function changed during time. Some quṣūr were already used as Castra during Roman times, and were part of the fortifications of the North African Limes. Already during the Ancient Roman times, castra did not only serve as fortifications, but also as markets and meeting points for the tribes living beyond the border.
Smaller quṣūr are found in modern Jordan, and include Qasr Al-Hallabat (located 50 km east of Amman), Qasr Bushir (15 km north of Lajjun), the castle of Daganiya (45 km north of Ma'an) and Odruh (22 km east of Wadi Musa). After the Limes Arabicus was abandoned by the Roman Empire, many of the castra continued to be in use. This continuity was subject to archaeological investigations in the fort of Qasr al-Hallabat, which at different times served as a Roman castrum, Christian cenobitic monastery, and finally as an Umayyad Qasr. Qasr Al-Kharanah is one of the earliest known Desert castles, its architectural form clearly demonstrates the influence of Sasanian architecture.
According to a hypothesis developed by Jean Sauvaget, the umayyad quṣūr played a role in the systematic agricultural colonisation of the uninhabited frontier areas, and, as such, continue the colonisation strategy of earlier Christian monks and the Ghassanids. The Umayyads, however, increasingly oriented their political strategy towards a model of Client politics, of mutual interdependence and support. After the Umayyad conquest, the quṣūr lost their original function and were either abandoned or continued to serve as local market places and meeting points until the tenth century. Another type of Islamic fortress is Qalat.
There are few buildings dating from the era of Prophet Muhammad, but one example is the Jawatha Mosque in Saudi Arabia. The Rashidun Caliphate (632–661) was the first state to use Islamic Architecture.
The Umayyad Caliphate (661–750) combined elements of Byzantine architecture and Sassanid architecture, but Umayyad architecture introduced new combinations of these western and eastern styles. The horseshoe arch appears for the first time in Umayyad architecture, later to evolve to its most advanced form in al-Andalus. Umayyad architecture is distinguished by the extent and variety of decoration, including mosaics, wall painting, sculpture and carved reliefs with Islamic motifs. The Umayyads introduced a transept that divided the prayer room along its shorter axis. They also added the mihrab to mosque design. The mosque in Medina built by al-Walid I had the first mihrab, a niche on the qibla wall, which seems to have represented the place where the Prophet stood when leading prayer. This almost immediately became a standard feature of all mosques.
The Abbasid architecture of the Abbasid Caliphate (750–1513) was strongly influenced by Sassanid architecture, and later by Central Asian styles. The Abbasid mosques all followed the courtyard plan. The earliest was the mosque that al-Mansur built in Baghdad. since destroyed. The Great Mosque of Samarra built by al-Mutawakkil was 256 by 139 metres (840 by 456 ft). A flat wooden roof was supported by columns. The mosque was decorated with marble panels and glass mosaics. The prayer hall of the Abu Dulaf mosque at Samarra had arcades on rectangular brick piers running at right angles to the qibla wall. Both of the Samarra mosques have spiral minarets, the only examples in Iraq. A mosque at Balkh in what is now Afghanistan was about 20 by 20 metres (66 by 66 ft) square, with three rows of three square bays, supporting nine vaulted domes.
Construction of the Great Mosque at Córdoba (now a cathedral known as the Mezquita) beginning in 785 CE marks the beginning of Moorish architecture in the Iberian peninsula and North Africa (see Moors). The mosque is noted for its striking interior arches. Moorish architecture reached its peak with the construction of the Alhambra, the magnificent palace/fortress of Granada, with its open and breezy interior spaces adorned in red, blue, and gold. The walls are decorated with stylized foliage motifs, Arabic inscriptions, and arabesque design work, with walls covered in glazed tile. Their other, smaller, survivals such as the Bab Mardum in Toledo, or the caliphal city of Medina Azahara. Moorish architecture has its roots deeply established in the Arab tradition of architecture and design established during the era of the first Caliphate of the Umayyads in the Levant circa 660AD with its capital Damascus having very well preserved examples of fine Arab Islamic design and geometrics, including the carmen, which is the typical Damascene house, opening on the inside with a fountain as the house's centre piece.
Fatimid architecture in Egypt followed Tulunid techniques and used similar materials, but also developed those of their own. In Cairo, their first congregational mosque was al-Azhar mosque ("the splendid") founded along with the city (969–973), which, together with its adjacent institution of higher learning (al-Azhar University), became the spiritual center for Ismaili Shia. The Mosque of al-Hakim (r. 996–1013), an important example of Fatimid architecture and architectural decoration, played a critical role in Fatimid ceremonial and procession, which emphasized the religious and political role of the Fatimid caliph. Besides elaborate funerary monuments, other surviving Fatimid structures include the Aqmar Mosque (1125) and the Al-Hakim Mosque, as well as the monumental gates for Cairo's city walls commissioned by the powerful Fatimid emir and vizier Badr al-Jamali (r. 1073–1094).
The reign of the Mamluks (1250–1517 AD) in Egypt marked a breathtaking flowering of Islamic art which is most visible in old Cairo. Religious zeal made them generous patrons of architecture and art. Trade and agriculture flourished under Mamluk rule, and Cairo, their capital, became one of the wealthiest cities in the Near East and the center of artistic and intellectual activity. This made Cairo, in the words of Ibn Khaldun, "the center of the universe and the garden of the world", with majestic domes, courtyards, and soaring minarets spread across the city.
The Islamic conquest of Persia in the 7th century availed the Muslims with the vast wealth of architectural innovation developed over the centuries, from the great roads, aqueducts and arches of the Roman Empire, to the Byzantine basilicas and Persian horseshoe and pointed arches, and the Sassanian and Byzantine mosaics. The Islamic architects first utilized these native architects to build mosques, and eventually developed their own adaptations. Islamic architecture thus is directly related to Persian and Byzantine architecture.
In Persia and Central Asia, the Tahirids, Samanids, Ghaznavids, and Ghurids struggled for power in the 10th century, and art was a vital element of this competition. Great cities were built, such as Nishapur and Ghazni (Afghanistan), and the construction of the Great Mosque of Isfahan (which would continue, in fits and starts, over several centuries) was initiated. Funerary architecture was also cultivated.
Under the Seljuqs the "Iranian plan" of mosque construction appears for the first time. Lodging places called khans, or caravanserai, for travellers and their animals, or caravansarais, generally displayed utilitarian rather than ornamental architecture, with rubble masonry, strong fortifications, and minimal comfort. Seljuq architecture synthesized various styles, both Iranian and Syrian, sometimes rendering precise attributions difficult. Another important architectural trend to arise in the Seljuk era is the development of mausolea including the tomb tower such as the Gunbad-i-qabus (circa 1006-7) (showcasing a Zoroastrian motif) and the domed square, an example of which is the tomb of the Samanids in the city of Bukhara (circa 943).
The Il-Khanate period provided several innovations to dome-building that eventually enabled the Persians to construct much taller structures. These changes later paved the way for Safavid architecture. The pinnacle of Il-Khanate architecture was reached with the construction of the Soltaniyeh Dome (1302–1312) in Zanjan, Iran, which measures 50 m in height and 25 m in diameter, making it the 3rd largest and the tallest masonry dome ever erected. The thin, double-shelled dome was reinforced by arches between the layers. The tomb of Öljeitü in Soltaniyeh is one of the greatest and most impressive monuments in Iran, despite many later depredations.
Iranian architecture and city planning also reached an apogee under the Timurids, in particular with the monuments of Samarkand, marked by extensive use of exterior ceramic tiles and muqarnas vaulting within.
The renaissance in Persian mosque and dome building came during the Safavid dynasty, when Shah Abbas, in 1598 initiated the reconstruction of Isfahan, with the Naqsh-e Jahan Square as the centerpiece of his new capital. The distinct feature of Persian domes, which separates them from those domes created in the Christian world or the Ottoman and Mughal empires, was the colorful tiles, with which they covered the exterior of their domes, as they would on the interior. These domes soon numbered dozens in Isfahan, and the distinct, blue- colored shape would dominate the skyline of the city. Reflecting the light of the sun, these domes appeared like glittering turquoise gem and could be seen from miles away by travelers following the Silk road through Persia. This very distinct style of architecture was inherited to them from the Seljuq dynasty, who for centuries had used it in their mosque building, but it was perfected during the Safavids when they invented the haft- rangi, or seven- colour style of tile burning, a process that enabled them to apply more colours to each tile, creating richer patterns, sweeter to the eye. The colours that the Persians favoured were golden, white and turquoise patterns on a dark- blue background. The extensive inscription bands of calligraphy and arabesque on most of the major buildings where carefully planned and executed by Ali Reza Abbasi, who was appointed head of the royal library and Master calligrapher at the Shah's court in 1598, while Shaykh Bahai oversaw the construction projects. Reaching 53 meters in height, the dome of Masjed-e Shah (Shah Mosque) would become the tallest in the city when it was finished in 1629. It was built as a double- shelled dome, with 14 m spanning between the two layers, and resting on an octagonal dome chamber.
Persian-style mosques are also characterized by their tapered brick pillars, large arcades and arches each supported by several pillars. In South Asia, such art was also used as was a technique throughout the region.
The Islamic conquest of Persia in the 7th century also helped Islamic architecture to flourish in Azerbaijan. The country became home of Nakchivan and Shirvan-Absheron architecture schools. An example of the first direction in the Azerbaijani Islamic architecture is the mausoleum of Yusuf, built in 1162.
The Shirvan-Absheron school unlike Nakchivan style used stones instead of the bricks in the construction. At the same characteristics of this trend were the asymmetry and stone carving, which includes famous landmarks like Palace of the Shirvanshahs
The standard plan of Ottoman architecture was inspired in part by the example of Hagia Sophia in Constantinople/Istanbul, Ilkhanid works like Oljeitu Tomb and earlier Seljuk and Anatolian Beylik monumental buildings and their own original innovations. The most famous of Ottoman architects was (and remains) Mimar Sinan, who lived for approximately one hundred years and designed several hundreds of buildings, of which two of the most important are Süleymaniye Mosque in Istanbul and Selimiye Mosque in Edirne. Apprentices of Sinan later built the famous Blue Mosque in Istanbul and the Taj Mahal in India.
The most numerous and largest of mosques exist in Turkey, which obtained influence from Byzantine, Persian and Syrian-Arab designs. Turkish architects implemented their own style of cupola domes. For almost 500 years Byzantine architecture such as the church of Hagia Sophia served as models for many of the Ottoman mosques such as the Shehzade Mosque, the Suleiman Mosque, and the Rüstem Pasha Mosque.
The Ottomans mastered the technique of building vast inner spaces confined by seemingly weightless yet massive domes, and achieving perfect harmony between inner and outer spaces, as well as light and shadow. Islamic religious architecture which until then consisted of simple buildings with extensive decorations, was transformed by the Ottomans through a dynamic architectural vocabulary of vaults, domes, semidomes and columns. The mosque was transformed from being a cramped and dark chamber with arabesque-covered walls into a sanctuary of esthetic and technical balance, refined elegance and a hint of heavenly transcendence.
Timurid architecture is the pinnacle of Islamic art in Central Asia. Spectacular and stately edifices erected by Timur and his successors in Samarkand and Herat helped to disseminate the influence of the Ilkhanid school of art in India, thus giving rise to the celebrated Mughal school of architecture. Timurid architecture started with the sanctuary of Ahmed Yasawi in present-day Kazakhstan and culminated in Timur's mausoleum Gur-e Amir in Samarkand. The style is largely derived from Persian architecture. Axial symmetry is a characteristic of all major Timurid structures, notably the Shah-i-Zinda in Samarkand and the mosque of Gowhar Shad in Mashhad. Double domes of various shapes abound, and the outsides are perfused with brilliant colors.
Moroccan architecture dates from 110 BCE with the Berber's massive pisé (mud brick) buildings. The architecture has been influenced by Islamization during the Idrisid dynasty, Moorish exiles from Spain, and also by France who occupied Morocco in 1912.
Morocco is in Northern-Africa bordering the Mediterranean and the Atlantic. The country's diverse geography and the land’s long history marked by successive waves of settlers and military encroachments are all reflected in Morocco's architecture.
Yemenite architecture Is the architecture that characterizes houses built on several floors, some of the floors used as a line A storage room with removable stairs. The houses are made of mud bricks mixed with Gypsum.
Russian -Islamic architecture is a feature of the architecture of the Tatars, formed under the influence of a sedentary and nomadic way of life in ancient times, developing in the epochs of the Golden Horde, the Tatar khanates and under the rule of the Russian Empire. The architecture was formed in the modern form for many centuries and depended on the culture, aesthetics and religion of the population, therefore combines a unique combination of Eastern, Russian, Bulgarian, Golden Horde architecture, European styles dominating in Russia at one time or another, especially this Is clearly reflected in the Tatar mosques.
The most famous Indo-Islamic style is Mughal architecture. Its most prominent examples are the series of imperial mausolea, which started with the pivotal Tomb of Humayun, but is best known for the Taj Mahal, completed in 1648 by emperor Shah Jahan in memory of his wife Mumtaz Mahal who died while giving birth to their 14th child. The Taj Mahal is completely symmetrical except for Shah Jahan's sarcophagus, which is placed off center in the crypt room below the main floor. This symmetry extended to the building of an entire mirror mosque in black marble to complement the Mecca-facing mosque place to the west of the main structure. A famous example of the charbagh style of Mughal garden is the Shalimar Gardens in Lahore, where the domeless Tomb of Jahangir is also located. Bibi Ka Maqbara in Aurangabad which was commissioned by sixth Mughal Emperor Aurangzeb in memory of his wife. The Red Fort in Delhi and Agra Fort are huge castle-like fortified palaces, and the abandoned city of Fatehpur Sikri, 26 miles (42 km) west of Agra, was built for Akbar in the late 16th century. While the Deccan sultanates in the Southern regions of the Indian subcontinent developed the Indo-Islamic Deccani architectural styles like Charminar and Gol Gumbaz.
Within the Indian subcontinent, the Bengal region developed a distinct regional style under the independent Bengal Sultanate. It incorporated influences from Persia, Byzantium and North India, which were with blended indigenous Bengali elements, such as curved roofs, corner towers and complex terracotta ornamentation. One feature in the sultanate was the relative absence of minarets. Many small and medium-sized medieval mosques, with multiple domes and artistic niche mihrabs, were constructed throughout the region. The grand mosque of Bengal was the 14th century Adina Mosque, the largest mosque in the Indian subcontinent. Built of stone demolished from temples, it featured a monumental ribbed barrel vault over the central nave, the first such giant vault used anywhere in the subcontinent. The mosque was modeled on the imperial Sasanian style of Persia. The Sultanate style flourished between the 14th and 16th centuries. A provincial style influenced by North India evolved in Mughal Bengal during the 17th and 18th centuries. The Mughals also copied the Bengali do-chala roof tradition for mausoleums in North India.
Makkah Masjid in Hyderabad is one of the largest and oldest mosque in South India.
The first Chinese mosque was established in the 7th century during the Tang Dynasty in Xi'an. The Great Mosque of Xi'an, whose current buildings date from the Ming Dynasty, does not replicate many of the features often associated with traditional mosques. Instead, it follows traditional Chinese architecture. Some Chinese mosques in parts of western China were more likely to incorporate minarets and domes while eastern Chinese mosques were more likely to look like pagodas.
An important lathan feature in Chinese architecture is its emphasis on symmetry, which connotes a sense of grandeur; this applies to everything from palaces to mosques. One notable exception is in the design of gardens, which tends to be as asymmetrical as possible. Like Chinese scroll paintings, the principle underlying the garden's composition is to create enduring flow; to let the patron wander and enjoy the garden without prescription, as in nature herself.
Chinese buildings may be built with either red or grey bricks, but wooden structures are the most common; these are more capable of withstanding earthquakes, but are vulnerable to fire. The roof of a typical Chinese building is curved; there are strict classifications of gable types, comparable with the classical orders of European columns.
Most mosques have certain aspects in common with each other however as with other regions Chinese Islamic architecture reflects the local architecture in its style. China is renowned for its beautiful mosques, which resemble temples. However, in western China the mosques resemble those of the Arab World, with tall, slender minarets, curvy arches and dome shaped roofs. In northwest China where the Chinese Hui have built their mosques, there is a combination of eastern and western styles. The mosques have flared Buddhist style roofs set in walled courtyards entered through archways with miniature domes and minarets.
Southeast Asia was slow to adopt Middle Eastern architectural styles. Islam entered Indonesia in the 15th-century via Java island, during which period the dominant religion in Southeast Asia included a variety of pagan groups. Introduction of Islam was peaceful. Existing architectural features in Indonesia such as the candi bentar gate, paduraksa (normally marks entrance to the most sacred precincts), and the sacred pyramidal roof was used for Islamic architecture. For centuries, Indonesian mosques lacked domes or minarets, both considered a Middle Eastern origin. Indonesian original mosques feature multi-layered pyramidal roofs and no minaret. Prayer are called by striking a prayer's drum known as beduk. The minaret of the Menara Kudus Mosque is a great example of Indonesian architecture. Indonesian mosque architecture also features strong influence from the Middle Eastern architecture styles.
Today, with increasing Muslim pilgrimage to Mecca, Indonesian-Malaysian mosques are developing a more standard, international style, with a dome and minaret.
In West Africa, Islamic merchants played a vital role in the Western Sahel region since the Kingdom of Ghana. At Kumbi Saleh, locals lived in domed-shaped dwellings in the king's section of the city, surrounded by a great enclosure. Traders lived in stone houses in a section which possessed 12 beautiful mosques (as described by al-bakri), one centered on Friday prayer. The king is said to have owned several mansions, one of which was sixty-six feet long, forty-two feet wide, contained seven rooms, was two stories high, and had a staircase; with the walls and chambers filled with sculpture and painting. Sahelian architecture initially grew from the two cities of Djenné and Timbuktu. The Sankore Mosque in Timbuktu, constructed from mud on timber, was similar in style to the Great Mosque of Djenné.
The peaceful introduction of Islam in the early medieval era of Somalia's history brought Islamic architectural influences from Arabia and Persia, which stimulated a shift from drystone and other related materials in construction to coral stone, sundried bricks, and the widespread use of limestone in Somali architecture. Many of the new architectural designs such as mosques were built on the ruins of older structures, a practice that would continue over and over again throughout the following centuries. Concordant with the ancient presence of Islam in the Horn of Africa region, mosques in Somalia are some of the oldest on the entire continent. One architectural feature that made Somali mosques distinct from other mosques in Africa were minarets.
For centuries, Arba Rukun (1269), the Friday mosque of Merca (1609) and Fakr ad-Din (1269) were, in fact, the only mosques in East Africa to have minarets. Fakr ad-Din, which dates back to the Mogadishan Golden Age, was built with marble and coral stone and included a compact rectangular plan with a domed mihrab axis. Glazed tiles were also used in the decoration of the mihrab, one of which bears a dated inscription. The 13th century Al Gami University consisted of a rectangular base with a large cylindrical tower architecturally unique in the Islamic world.
Shrines to honor Somali patriarchs and matriarchs evolved from ancient Somali burial customs. In Southern Somalia the preferred medieval shrine architecture was the Pillar tomb style while the North predominantly built structures consisting of domes and square plans.
Common interpretations of Islamic architecture include the following: The concept of God or Allah's infinite power is evoked by designs with repeating themes which suggest infinity. Human and animal forms are rarely depicted in decorative art as God's work is considered to be matchless. Foliage is a frequent motif but typically stylized or simplified for the same reason. Arabic Calligraphy is used to enhance the interior of a building by providing quotations from the Qur'an. Islamic architecture has been called the "architecture of the veil" because the beauty lies in the inner spaces (courtyards and rooms) which are not visible from the outside (street view). Furthermore, the use of grandiose forms such as large domes, towering minarets, and large courtyards are intended to convey power.
In modern times, the architecture of Islamic buildings, not just religious ones, has gone through some changes. The new architectural style doesn't stick with the same fundamental aspects that were seen in the past, but mosques for the most part still feature the same parts - the Mihrab, the minarets, four-iwan plan, and the pishtaq. A difference to note is the appearance of mosques without domes, as in the past mosques for the most part all had them, but these new dome-less mosques seem to follow a function over form design, and are created by those not of the Islamic faith, in most cases. The influence of Islam still pervades the style of creation itself, and provides a 'conceptual framework', for the making of a building that exemplifies the styles and beliefs of Islam. It has also been influenced by the now meeting of many different cultures, such as European styles meeting Islamic styles, leading to Islamic architects incorporating features of other architectural and cultural styles.
Urban design and the tradition of Islamic styled architecture have begun to combine to form a new 'neo-Islamic' style, where the efficiency of the urban style meshes with the spirituality and aesthetic characteristics of Islamic styles. Islamic Architecture in itself is a style that showcases the values, and the culture of Islam, but in modern times sticking to tradition is falling out of practice, so a combination style formed. Examples showing this are places such as the Marrakesh Menara Airport, the Islamic Cultural Center and Museum of Tolerance, Masjid Permata Qolbu, the concept for The Vanishing Mosque, and the Mazar-e-Quaid. All of these buildings show the influence of Islam over them, but also the movements of things like minimalism which are rising to popularity in the architectural field. Designers that use the aspects of both modern styles and the Islamic styles found a way to have the Western-inspired modernism with the classical cultural aspects of Islamic architecture. This concept though brings up the controversy of the identity of the Islamic community, of the traditional Islamic community, within a space that doesn't follow the way they knew it.
There are some who also debate whether Islamic Architecture can truly be called a style, as the religious aspect is seen as separate and having no bearing on the architectural style, while on the other side people also argue that the newfound trend and divergence from the style of old Islamic Architecture is what is causing the style to lose it status. There are scholars that also believe that the distinguishing features of the Islamic Architecture style were not necessarily found within the architecture, but were rather environmental markers, such as the sounds of prayer, the city around it, the events that occurred there. The example given is that we know that a building is a mosque based on what happens there, rather than any visual cues. Specific features that are notably related to Islamic Architecture - the Mihrab, the Minaret, and the Gate - are seen in multiple locations and do not always serve the same use, and symbolism for being Islamic in nature is seen to be demonstrated more culturally than it is architecturally. Islamic Architecture is also sometimes referred to as a 'hidden architecture', one that doesn't necessarily show the physical traits of the style, rather it is something that is experienced.
Islamic architecture displays intricate patterns, colors, and details embodying the Islamic culture. Such widespread religious displays typically have deeper meanings and connections. Islamic architecture is unique in this case because interior designs often lack or have unknown religious connections. This is caused by the Muslim ideology Shirk, stating that an attempt to depict any earthly beings as holy is sinful. Shirk is unlike Western cultural ideals, often consisting of a large amount of religious symbolism in earthly beings. Due to this, symbolism in Islamic architecture is not as easily accessible compared to that of Western religious architecture.
Islamic architecture is a neglected subject within historical studies. Many scholars that study historical architecture often gloss over, if not completely ignore Islamic structures. This is caused by multiple elements, one being that there is little historic literary works that express an Islamic architect's motives with their structures. Due to the massively spanning Islamic religion, there is a large variation between thousands of existing mosques with little consistency between them. Lastly, since it is against Islamic faith to idolize earthly beings, any depictions of earthly beings lack religious connection. These characteristics combine to make it difficult for historians to form symbolic connections from architecture in Islamic places of worship.
Islamic architecture is unique compared to other vast religions that encompass much of the West. Unlike Christianity, Islam does not sensationalize living beings because they view it as a conflict with the Qur'an. Anything created by Allah is under his order and thus should not be idolized. This leaves typical religious Western symbols out of the picture, and replaces them with an emphasis on complex geometrical shapes and patterns.
There are several aspects of Islamic architecture that to modern knowledge lack a symbolic religious meaning, but there are connections that do exist. A repeated and significant motif in mosques is calligraphy. Calligraphy plays a huge role in delivering religious connections through artistic design. Calligraphy, in a mosque setting, is specifically used to reference holy excerpts from both the Qur’an and Muhammad's teachings. These references are one of the few religious connections architects include within their work.
Islamic architecture varies vastly across the scope of the world. Specifically, some mosques have different goals and intentions than others. These intentions often highlighted religious and social hierarchies within the mosque. Mosques are designed to have the least significant portions of the layout closest to the entrance, as people move deeper into the building more significant religious areas are revealed. Hierarchy is also present because certain Islamic architects are tasked to design specifically for the presence of royalty. Designated locations had been carefully chosen in the mosque to highlight an individual’s position in society. This emphasis could be made through being within view to all attendees, placed in the focal point of artistry, and a maqsurah. 
Maintaining a sociological hierarchy within a mosque would typically represent a recognition by a higher being aware of a delegation of power. This hierarchy does exist but not with any sort of religious message as Hillenbrand points out, “in neither case is this hierarchy employed for especially portentous ends.”  Hierarchy exist in the church in different forms, but is meant for purely functional purposes.
Deeper meanings in Islamic architecture often can take form as functional purposes. For example mosques are built around the ideal that it should not just be a place of mesmerizing aesthetics, but a place where the aesthetics’ fluidity guide the person into proper worship.
A key feature of the mosque is the Mihrab, a universal part of any Islamic place of worship. The Mihrab is easily identifiable through a receding wall and a gable over head often consisting of intricate patterns. Upon entering, the most crucial religious function the architecture of the mosque serves to deliver is the Qibla. The Qibla is necessary for proper Islamic worship, and is revealed through architectural means.