Thrace Thrace Thrace (; Modern , "Thráki"; , "Trakiya"; ) is a geographical and historical area in Southeast Europe, now split between Bulgaria, Greece and Turkey, which is bounded by the Balkan Mountains to the north, the Aegean Sea to the south and the Black Sea to the east. It comprises southeastern Bulgaria (Northern Thrace), northeastern Greece (Western Thrace) and the European part of Turkey (East Thrace). In antiquity, it was also referred to as "Europe", prior to the extension of the term to describe the whole continent. The name "Thrace" comes from the Thracians, an ancient Indo-European people inhabiting Southeast
Turkey by neighbouring peoples was the state of the Armenian Orontid dynasty, which included parts of eastern Turkey beginning in the 6th century BC. In Northwest Turkey, the most significant tribal group in Thrace was the Odyrisians, founded by Teres I. All of modern-day Turkey was conquered by the Persian Achaemenid Empire during the 6th century BC. The Greco-Persian Wars started when the Greek city states on the coast of Anatolia rebelled against Persian rule in 499 BC. The territory of Turkey later fell to Alexander the Great in 334 BC, which led to increasing cultural homogeneity and Hellenization in the