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
First Army (Turkey) First Army (Turkey) The First Army of the Republic of Turkey () is one of the four field armies of the Turkish Army. Its headquarters is located at Selimiye Barracks in Istanbul. It guards the sensitive borders of Turkey with Greece and Bulgaria, including the straits Bosporus and Dardanelles. The First Army is stationed in East Thrace. Ali İhsan Sabis is the first commander of the 1st Army, which has been operating since the Ottoman Empire. The 1st army depends on the Turkish Land Forces. The army is responsible for the Thrace region, the straits and the safety of Istanbul.