Group

Mesopotamia (theme)

Substate Defunct 840 CE – 1461 CE Capital Theodosiopolis > Erzurum Erzurum Turkey

Mesopotamia is the name of an East Roman (Byzantine) theme (a military-civilian province) located in what is today eastern Turkey.

It should not be confused with the region of Mesopotamia or with the older Roman and early Byzantine province of Mesopotamia.

The Byzantine theme is located between the rivers Arsanias (modern Murat) and Çimisgezek.

Member Cities

Moran, J. (n.d.). Mesopotamia (theme). History Atlas. Retrieved 22 September 2026, from https://www.historyatlas.com/groups/mesopotamia-theme/

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