Group

Sebasteia (theme)

Substate Defunct 911 CE – 1072 CE Capital Sebasteia > Sivas > Cabira Sivas Turkey

The Theme of Sebasteia is a military-civilian province (thema or theme) of the East Roman (Byzantine) Empire located in northeastern Cappadocia and Armenia Minor, in modern Turkey.

It is established as a theme in 911 and endures until its fall to the Seljuk Turks in the aftermath of the Battle of Manzikert in 1071.

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Cite this entry

Moran, J. (n.d.). Sebasteia (theme). History Atlas. Retrieved 6 November 2026, from https://www.historyatlas.com/groups/sebasteia-theme/

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