Mystras established in 1205 after the conquest of Constantinople during the Fourth Crusade by Prince William II Villehardouin & capital of the Byzantine Despotate of The Morea in the 14th & 15th centuries. Mystras was the last Byzantine stronghold surrendered by Demetrius Palaeologus to the Ottoman Sultan Mehmen II in 1460. Sparta, the Peloponnese, Greece. A UNESCO World Heritage Site.
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