The city has the postal code 1100 . The city water area is 6.80 sq mi (17.62 sq km )  3.0% . The mayor of Changchun is Kakha Kaladze . Changchun is located in Japan . The Changchun city highest elevation is 5,364 m (17,598 ft) . The land area of the city is 65.65 sq mi (170.03 sq km ) . Changchun is the government of Kamloops City Council . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Changchun . This city is named after Quitu . The city Changchun province is Gauteng . The city Changchun demonym is Barranquillero/a . Changchun is at an elevation of 305 m . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . The density of  inhabitents in  the metro region of Changchun is 210.9/km 2  (546.2/sq mi) . The city was incorporated in November 7, 1861, as Denver City, C.T. . The density of  inhabitents in Changchun is 5,165.1/km 2  (13,378/sq mi) .  The city area code is (+90) 224 . The Changchun citys' lowest elevation is 246 ft . The metro region is 1,371.76 km 2  (529.64 sq mi) in area . Population (2014): 5,160,512 is the population of the urban region of Changchun
Urban is more densely populated that metro region