Group

Koloneia (theme)

Substate Defunct 862 CE – 1072 CE Capital Koloneia > Sebinkarahisar Giresun Turkey

The Theme of Koloneia is a small military-civilian province (thema or theme) of the East Roman (Byzantine) Empire located in northern Cappadocia and the southern Pontus, in modern Turkey.

It is founded sometime in the mid-ninth century and survives until it is conquered by the Seljuk Turks soon after the Battle of Manzikert in 1071.

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Cite this entry

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

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