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,
Pomaks in Turkey tongue. It is very hard to estimate the number of Pomaks along with the Turkified Pomaks who live in Turkey, as they have blended into the Turkish society and have been often linguistically and culturally assimilated. According to "Milliyet" and "Turkish Daily News" reports, the number of the Pomaks along with the Turkified Pomaks in the country is about 600,000. Pomaks in Turkey The Pomaks in Turkey refers to an ethnic group, who are predominantly Muslim and speak their own dialect of Bulgarian. They mostly live in Eastern Thrace, though some are also present in Anatolia. In the census of