Kurdish population the figure at 10 to 15 million Kurds in Turkey. Kurds mostly live in Northern Kurdistan, in Southeastern and Eastern Anatolia. But large Kurdish populations can be found in western Turkey due to internal migration. According to Rüstem Erkan, Istanbul is the province with the largest Kurdish population in Turkey. From the 7 million Iranian Kurds, majority who are Sunni. Shia Kurds inhabit Kermanshah Province, except for those parts where people are Jaff, and Ilam Province Province; as well as some parts of Kurdistan, Hamadan and Zanjan provinces. The Kurds of Khorasan Province in northeastern Iran are also adherents of
Minorities in Turkey of Turkey's population. Up to 300,000 of Azeris who reside in Turkey are citizens of Azerbaijan. In the Eastern Anatolia Region, Azeris are sometimes referred to as "acem" (see Ajam) or "tat". They currently are the largest ethnic group in the city of Iğdır and second largest ethnic group in Kars. Before the 20th century, Crimean Tatars had immigrated from Crimea to Turkey in three waves: First, after the Russian annexation of Crimea in 1783; second, after the Crimean War of 1853-56; third, after the Russo-Turkish War of 1877–78. The official number of Crimean Tatars is 150,000 (in the center