The city is 19.4 sq mi (50.2 sq km) in area . The urban region has 5,490,000 (2014-urban, others 2013) population . The demonym of the city Chongqing is Evanstonian . The metro region is Area: 1,152 km2 (445 sq mi) in area . (+213) 021 is the area code of Chongqing . Federico Gutiérrez, 2016-2019 is the mayor of Chongqing . The city was incorporated in December 23, 1814 (village) . This city is named after Quitu . The land area of the city is 227.34 sq mi (588 sq km ) . Chongqing is located in Sweden . Chongqing is the government of U.S. National Park Service . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Chongqing . The water area of the city is 186 km 2  (72 sq mi) . The highest elevation of Chongqing is 2,715 m (8,907 ft)
Less than 71 sq mi area of the city Chongqing is water