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 and weight of the five now abolished prefectures, Drama, Evros, Kavala, Rhodope and Xanthi. In this special case, the region of Eastern Macedonia and Thrace also succeeds the intermediate structure of the two super-prefectures of Drama-Kavala-Xanthi and of Rhodope-Evros into which the five prefectures had been grouped since 1994. Capital of the region is Komotini, which by population is the fourth largest city, following Alexandroupoli, Kavala and Xanthi. The region is divided into the Macedonian regional units of Drama, Kavala and Thasos and the Thracian regional units of Xanthi, Rhodope and Evros, which coincide with the territory of the former