List of Greek Countries and Regions - Modern Era (after 1453) - Autonomous, Secessionist or Unrecognised Entities

Autonomous, Secessionist or Unrecognised Entities

• Autonomous Monastic State of the Holy Mountain: autonomous region of Greece since 1913. Autonomy dated at least to 943.
• Koinon of the Zagorisians (1670–1868): autonomous region of the Ottoman Empire
• Phanariote period in Wallachia & Moldavia (1711–1821): autonomous principalities ruled by the Phanariotes.
• Mani (17th century – 1821): autonomous or semi-autonomous region under the Ottoman Empire in the Peloponnese, ruled by its own bey
• Septinsular Republic (1800–1807): protectorate of the Russian and Ottoman Empires.
• United States of the Ionian Islands (1815–1864): amical protectorate of the United Kingdom.
• Regional administrations during the Greek War of Independence (March 1821 – c. 1825):

• Peloponnesian Senate
• Senate of Western Continental Greece
• Areopagus of Eastern Continental Greece
• Polity of Crete
• Military-Political System of Samos

• Principality of Samos (1835–1912): incorporated into Greece.
• Eastern Rumelia (1878–1885): autonomous province in the Ottoman Empire with a Bulgarian demographic majority, unified with Bulgaria in 1885. Greek was one of three official languages and Greeks constituted a minority of 5.2%.
• Cretan State (1898–1913): incorporated into Greece.
• Free State of Icaria (1912): short-lived independent state, incorporated into Greece.
• Autonomous Republic of Northern Epirus (1914): short-lived autonomous Greek state in modern day Southern Albania/Northern Epirus under the Provisional Government of Northern Epirus. Autonomy recognised in the Protocol of Corfu.
• State of Thessaloniki (1916–1917): short-lived Venizelist Provisional Government established in Macedonia amidst the National Schism. It controlled northern Greece and the island of Crete. The rest of Greece was controlled by the government in Athens (State of Athens). Greece was reunited in 1917.
• Republic of Pontus (1917–1922): Pontian Greek short-lived state.
• Ionian autonomy (1922): short-lived Greek dependency in the region of Ionia, Asia Minor, during the final stages of the Asia Minor expedition.
• Imbros and Tenedos: Aegean islands inhabited historically mainly by ethnic Greeks. Under Greek administration from 1912. Following the Treaty of Lausanne in 1923, Gökçeada (Imbros) and Bozcaada (Tenedos) became part of Turkey, but were exempted from the population exchange.