Donetsk ( , translit. Donets’k; ; former names: Aleksandrovka, Yuzovka, Stalino (see also: cities' alternative names)) is an industrial city in Ukraine on the Kalmius River. The population was estimated at in the city, and over 2,000,000 in the metropolitan area (2011). According to the 2001 Ukrainian Census, Donetsk was the fifth-largest city in Ukraine. Since April 2014, the city is the administrative centre of and effectively administered by the Donetsk People's Republic.