The Changchun city highest elevation is 5,364 m (17,598 ft) . On November 7, 1861, as Denver City, C.T. the city was incorporated . Changchun is located in Japan . The city Changchun province is Gauteng . (+90) 224 is the area code of Changchun . Changchun is the government of Kamloops City Council . The population of the urban region is Population (2014): 5,160,512 . The demonym of the city Changchun is Barranquillero/a . The density of  inhabitents in  the metro region of Changchun is 210.9/km 2  (546.2/sq mi) . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Changchun . Changchun is named for Quitu . The density of  inhabitents in Changchun is 5,165.1/km 2  (13,378/sq mi) . The lowest elevation of Changchun is 75 m  . The land area of the city is 65.65 sq mi (170.03 sq km ) . 1,371.76 km 2  (529.64 sq mi) is the area of the metro region of Changchun . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . Kakha Kaladze is the mayor of Changchun . Changchun is at an elevation of 305 m . The water area of the city is 6.80 sq mi (17.62 sq km )  3.0% . The city has the postal code 1100
Less than 5 sq mi area of the city Changchun is water