(+213) 021 is the area code of Chongqing . Federico Gutiérrez, 2016-2019 is the mayor of Chongqing . The area of the metro region is Area: 1,152 km2 (445 sq mi) . The city Chongqing demonym is Evanstonian . The city water area is 186 km 2  (72 sq mi) . On December 23, 1814 (village) the city was incorporated . Chongqing is located in Sweden . The density of  residents in  the urban region of Chongqing is 2,300/km 2  (6,100/sq mi) . 19.4 sq mi (50.2 sq km) is the area of the city namedChongqing . Chongqing is named for Quitu . The city land area is 227.34 sq mi (588 sq km ) . The population of the urban region is 5,490,000 (2014-urban, others 2013) . The Chongqing city highest elevation is 2,715 m (8,907 ft) . Chongqing is the government of U.S. National Park Service
Water covers 1112 km 2 area of the city