Western Thrace Western Thrace Western Thrace or West Thrace (, "[Dytikí] Thráki" / Turkish: Batı Trakya; , "Zapadna Trakiya" or Беломорска Тракия, "Belomorska Trakiya") is a geographic and historical region of Greece, between the Nestos and Evros rivers in the northeast of the country; East Thrace, which lies east of the river Evros, forms the European part of Turkey, and the area to the north, in Bulgaria, is known as Northern Thrace. Inhabited since paleolithic times, it has been under the political, cultural and linguistic influence of the Greek world since the classical era; Greeks from the Aegean islands extensively colonized the
Thrace largely covering the same extent of space as the modern geographical region. In its early period, the Roman province of Thrace was of this extent, but after the administrative reforms of the late 3rd century, Thracia's much reduced territory became the six small provinces which constituted the Diocese of Thrace. The medieval Byzantine theme of Thrace contained only what today is East Thrace. The largest cities of Thrace were: Plovdiv, Burgas, Stara Zagora, Sliven, Haskovo, Yambol, Komotini, Alexandroupoli, Xanthi, Edirne, Istanbul, Çorlu, Kırklareli and Tekirdağ. Most of the Bulgarian and Greek population are Orthodox Christians, while most of the Turkish