Ümraniye is a very large working class district of Istanbul, Turkey, with a population of over 650,000. It became district in 1987 by secession from Üsküdar. Also; Ömerli, Koçullu, Sirapinar and Hüseyinli villages were separated from Beykoz district in same year. Finally, Nisantepe quarter passed from Samandira, where bounded to Kartal, to Alemdar, where bounded to Ümraniye in 2002. It has 7 municipalities: Ümraniye, Çekmeköy, Sarigazi, Yenidogan, Tasdelen (formerly Sultançiftligi), Alemdar (formerly Alemdag) and Ömerli. Its neighbours are; Sile the northeast, Kartal the southeast, Kadiköy the south, Üsküdar the west and Beykoz the northwest. The mayor is Hasan Can (AKP).