Duchy of Athens | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1205–1458 | |||||||||
 Arms of the Duchy under the de la Roche family
| |||||||||
 The Lordship of Athens and the other Greek and Latin states of southern Greece, c. 1210 | |||||||||
| Status | Vassal state[a] of various countries, de facto autonomous | ||||||||
| Capital | Athens, Thebes | ||||||||
| Common languages | French (until 1311) Catalan (1311–88) Greek (popularly and officially after 1388) | ||||||||
| Religion | Catholic Church (state religion) Greek Orthodoxy (popularly) | ||||||||
| Government | Feudal monarchy | ||||||||
| Duke | |||||||||
| Historical era | Middle Ages | ||||||||
| 1204 | |||||||||
• Duchy established | 1205 | ||||||||
| 1311 | |||||||||
• Acciaioli rule | 1388 | ||||||||
• Tributary to Morea | 1444 | ||||||||
• Ottoman conquest | 1458 | ||||||||
| Currency | Denier tournois | ||||||||
| |||||||||
| Today part of | Greece | ||||||||
The Duchy of Athens (Greek: Δουκᾶτον Ἀθηνῶν, Doukaton Athinon; Catalan: Ducat d'Atenes) was one of the Crusader states set up in Greece after the conquest of the Byzantine Empire during the Fourth Crusade as part of the process known as Frankokratia, encompassing the regions of Attica and Boeotia, and surviving until its conquest by the Ottoman Empire in the 15th century.
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