East Thrace East Thrace East Thrace or Eastern Thrace ( or simply "Trakya"; , "Anatoliki Thraki"; , "Iztochna Trakiya"), also known as Turkish Thrace or European Turkey, is the part of the modern Republic of Turkey that is geographically part of Southeast Europe. It accounts for 3% of Turkey's land area but comprises 14% of Turkey's total population. The rest of the country is located on the Anatolian peninsula, geographically in Western Asia. East Thrace is of historic importance as it is next to a major sea-based trade corridor. It is currently also of specific geostrategic importance because the sea corridor, that
Anatolian beyliks with the Battle of Köse Dağ in 1243 which had the indirect consequence of extending the Turkic territory in Western Anatolia toward the end of the 13th century. Three Anatolian regions remained Christian until their defeat and Ottoman conquest: Combined with the Seljuqs and the immigration of Turkic tribes into the Anatolian mainland the Anatolian Beyliks spread Turkish and Islamic influence in Anatolia. Unlike the Seljuqs, whose language of administration was Persian, the Anatolian emirates adopted spoken Turkish as their formal literary language. The Turkish language achieved widespread use in these principalities and reached its highest sophistication during the Ottoman