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Diocese of Macedonia

Diocese of Macedonia
Dioecesis Macedoniae
Διοίκησις Μακεδονίας
Diocese of the Roman Empire
306–7th century
Macedonia ad400.png
CapitalThessaloniki
Historical eraLate Antiquity
• Reforms of Diocletian
306
• Thessaloniki became the Prefecture's new capital city
379
7th century
Today part of Albania
 Greece
 North Macedonia
 Bulgaria

The Diocese of Macedonia (Latin: Dioecesis Macedoniae, Greek: Διοίκησις Μακεδονίας) was a diocese of the later Roman Empire, forming part of the praetorian prefecture of Illyricum. Its administrative centre was Thessaloniki.

History

The diocese was formed, probably under Constantine I (r. 306–337), from the division of the Diocletianic Diocese of Moesia. It included the provinces of Macedonia Prima, Macedonia Salutaris, Thessalia, Epirus vetus, Epirus nova, Achaea, and Crete. Alongside Dacia and, until 379, Pannonia, it made up the Prefecture of Illyricum. In 379, Pannonia was detached and merged into the Praetorian prefecture of Italy and Thessaloniki became the Prefecture's new capital city instead of Sirmium.

See also

Sources