East Thrace the Turkish Straits) and the Sea of Marmara, a route of about 361 km. The southernmost part of Eastern Thrace is called the Gallipoli peninsula. European Turkey is bordered on the west by Greece for 212 km and on the north by Bulgaria for 269 km, with the Aegean Sea to the south-west and the Black Sea to the north-east. East Thrace was the setting for several important events in history and legend. The mass killings and displacement of Thracian Bulgarians in 1913 and the 1923 population exchange between Greece and Turkey ethnically cleansed the Orthodox populations. Prior to that
Western Thrace part of Turkey after the Treaty of Lausanne. Western Thrace was ceded to the Entente in December 1919, after which many Bulgarians left the region, while many Greeks moved in. The Government of the Entente (led by French general Sharpe) held its own census in 1920, according to which Western Thrace had a population of 204,700, of whom: Turks 36.5% (74,720 Muslims), Bulgarians 32.2% (65,927 = 54,079 Christians and 11,848 Muslims), Greeks 27.4% (56,114 Christians), Jews 1.5% (2985) Armenians 0.9% (1880), others 3066. At the time this census was conducted, a part of the Greek population of Ksanthi, who left