The land area of the city is 227.34 sq mi (588 sq km ) . The area of the city is 19.4 sq mi (50.2 sq km) . Chongqing is the government of U.S. National Park Service . The urban region has 5,490,000 (2014-urban, others 2013) population . The Chongqing city highest elevation is 2,715 m (8,907 ft) . On December 23, 1814 (village) the city was incorporated . Chongqing is named for Quitu . The city water area is 186 km 2  (72 sq mi) . (+213) 021 is the area code of Chongqing . The mayor of Chongqing is Federico Gutiérrez, 2016-2019 . The city Chongqing demonym is Evanstonian . Chongqing is located in Sweden . The density of  residents in  the urban region of Chongqing is 2,300/km 2  (6,100/sq mi) . The area of the metro region is Area: 1,152 km2 (445 sq mi)
Less than 73 km 2 area of the city Chongqing is water