East Thrace includes two narrow straits, provides access to the Mediterranean from the Black Sea for the navies of five countries: Russia, Ukraine, Romania, Bulgaria, and Georgia. The region also serves as a future connector of existing Turkish and European high speed rail networks. East Thrace includes all in the eastern part of the historical region of Thrace. The area includes all the territories of the Turkish provinces of Edirne, Tekirdağ and Kırklareli, as well as those territories on the European Continent of the provinces of Çanakkale and Istanbul. Due to the moderating effect of the surrounding seas, the climate tends to
Western Thrace of multiple ethnic groups. However, Recep Tayyip Erdoğan, during his historic December 7, 2017 visit to Greece as President of Turkey, acknowledged for the first time the multi-ethnic nature of the Muslim minority. The last censuses which asked about ethnicity were held in the transitional period before the region became part of Greece. 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 (Muslims) following the Ottoman system