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 following years, the Central Powers (Germany, Austria-Hungary, and the Ottoman Empire), with which Bulgaria had sided, lost World War I and as a result Western Thrace was withdrawn from Bulgaria under the terms of the 1919 Treaty of Neuilly. Western Thrace was under temporary management of the Entente led by French General Charles Antoine Charpy. In the second half of April 1920 in San Remo conference of the prime ministers of the main allies of the Entente powers (except the US) Western Thrace was given to Greece. Throughout the Balkan Wars and World War I, Bulgaria, Greece and Turkey each