Byzantine Empire in orange, c. 1180, at the end of the Komnenian period
Map to show the partition of the empire following the Fourth Crusade, c.1204
The Byzantine Empire c. 1263
Map of the Balkans and Asia Minor c. 1355. Byzantium has lost its Asian territory and Epirus has been reduced significantly by Serbia, while Ottoman power is rising.
The Eastern Mediterranean just before the fall of Constantinople