The Eastern Roman Empire in 555 AD during the reign of Emperor Justinian.The Eastern Roman Empire in 600 AD during the reign of Emperor Maurice.The Byzantine Empire in 650 - by this year it had lost all of its southern provinces except the Exarchate of Africa.The Byzantine Empire at the accession of Leo III, c. 717. Striped area indicates land raided by the Arabs.The Byzantine Empire, c. 867.The Byzantine Empire at the death of Basil II in 1025The Byzantine Empire and the Sultanate of Rûm before the First CrusadeByzantine Empire in orange, c. 1180, at the end of the Komnenian periodMap to show the partition of the empire following the Fourth Crusade, c. 1204The Byzantine Empire c. 1263Map 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
