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Tyriaeum or Tyriaion, also spelled Tyraion, was a Roman and Byzantine era civitas in the Roman Province of Pisidia, located ten  parasangs from Iconium It was mentioned by  Xenophon, Pliny and Strabo tell us it was between Philomelium (Akshehr) and Laodicea Combusta.  It is tentatively identified with  ruins near modern Teke Kozağaçi ( Turkey) on the road from Antalya to Denizli or near modern  Ilgın.
Cyrus the Great reviewed his troops for the Cilician queen at Tyriaeum, Pisidia.  The town was taken by  Suleiman the Magnificent and Tamerlane In 1308 during the  Crusades there was a massacre of refugees from Ephesus in this town by Sultan Saysan.
The city was the seat of an ancient
Bishopric. Bishop Theotececnus cast a vote at the  Council of Chalcedon. No longer a residential bishopric, it remains a titular see of the Roman Catholic Church.
Tyriaeum was long mistaken as the site of  Thyatira of the Apocalypse.
John Anthony Cramer, A Geographical and Historical Description of Asia Minor, With a Map, Volume 2 (At the University Press, 1832) , p. 314.
Xenophon. . 1.2.13. Anabasis
Strabo. . Geographica 14. Page numbers refer to those of Isaac Casaubon's edition.
^ Charles Anthon, A Classical Dictionary: Containing ... Proper Names Mentioned in Ancient Authors (Harper & Bros., 1841)
Richard Talbert, ed. (2000). . Princeton University Press. p. 65, and directory notes accompanying. Barrington Atlas of the Greek and Roman World
Lund University. . Digital Atlas of the Roman Empire
Xenophon. . 1.1.14. Anabasis
^ Travels in the Track of the
Ten Thousand Greeks: being a geographical and descriptive account of the expedition of Cyrus, and of the retreat of the Ten Thousand Greeks, as related by Xenophon (J. W. Parker, 1844). page 33.
^ Francis-Vyiyan-Jago Arundell, Visit to the Seven Churches of Asia, with an Excursion Into Pisidia (John Rodwell, 1828) p203.
^ Francis-Vyiyan-Jago Arundell, Visit to the
Seven Churches of Asia, with an Excursion Into Pisidia (John Rodwell, 1828) p54.
^ Richard Price, Michael Gaddis, The Acts of the
Council of Chalcedon, Volume 1 ( Liverpool University Press, 2005) p 84.