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
Eastern Macedonia and Thrace Eastern Macedonia and Thrace Eastern Macedonia and Thrace () is one of the thirteen administrative regions of Greece. It consists of the northeastern parts of the country, comprising the eastern part of the region of Greek Macedonia along with the region of Western Thrace, and the islands of Thasos and Samothrace. The region of Eastern Macedonia and Thrace was established in the 1987 administrative reform as the Eastern Macedonia and Thrace Region (, "Periféria Anatolikís Makedonías kaí Thrákis"). With the 2010 Kallikratis plan, its powers and authority were redefined and extended, with the preexisting region in many respects inheriting status