Thrace Europe. The word "Thrace" was established by the Greeks for referring to the Thracian tribes, from ancient Greek Thrake (Θρᾴκη), descending from "Thrāix" (Θρᾷξ). The name of the continent Europe first referred to Thrace proper, prior to extending its meaning to the whole continent. The region could have been named after the principal river there, Hebros, possibly from the Indo-European "arg" "white river" (the opposite of Vardar, meaning "black river"), . According to an alternative theory, Hebros means "goat" in Thracian. In Turkey, it is commonly referred to as "Rumeli", "Land of the Romans", owing to this region being the
Turks of Western Thrace the actual Ottoman-era Greek Muslims of Macedonia had been included among those 'Turks' expatriated to Turkey in 1924. including the Vallahades. In contrast, the Western Thrace Turks are completely distinct from those referred to as Greek Muslims and were exempt from the terms of the population exchange. A number of estimates and censuses during the 1912-1920 period gave the following results about the ethnic distribution of the area that would become known as Western Thrace: The Pomak population depending on the source was sometimes counted together with the Turks according to the Ottoman system of classifying people depending on religion,