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
Diocese of Thrace Diocese of Thrace The Diocese of Thrace (, ) was a diocese of the later Roman Empire, incorporating the provinces of the eastern Balkan Peninsula (comprising territories in modern south-eastern Romania, central and eastern Bulgaria, and Greek and Turkish Thrace). Philippopolis (modern Plovdiv, in Bulgaria) was the capital. The diocese was established as part of the reforms of Diocletian and Constantine the Great, and was headed by a "vicarius" subordinate to the praetorian prefecture of the East. As outlined in the "Notitia Dignitatum" of ca. 400, the diocese included the provinces of Europa, Thracia, Haemimontus, Rhodope, Moesia II and Scythia