Albanian-speakers of Western Thrace migrated towards today's European Turkey (Eastern Thrace), especially near Istanbul. Many Muslim Albanians achieved high office in Ottoman society and many of them, most notably the Köprülü family, became Grand Viziers of the Empire. The majority of the Albanian emigration came from Northern Kosovo and the Korça region of Albania. Descendants of this immigrants would later play an important role in the National Renaissance of Albania. The number of Albanians that resided in the region is unknown, as statistical data of the Ottoman Empire were based on religious identification (millets). Thus, the Orthodox Albanians were part of the Rûm millet,
Albanian-speakers of Western Thrace Muslims of Western Thrace and the Christians of Istanbul. Under this provision, the Albanian Orthodox community of Eastern Thrace, was re-accommodated in Western Thrace, where they settled mainly in new and ethnically homogeneous villages built in order to receive the refugees. Today, this population lives in the same villages, but a part emigrated to bigger towns such as Thessaloniki and Athens, making the Albanian language less used. Albanian-speakers inhabit 15 homogeneous and 14 mixed villages: Albanian-speakers of Western Thrace Albanian-speakers form a linguistic minority in Greek Macedonia and Western Thrace along the border with Turkey. They speak the Northern Tosk