The coordinates of the city are 25°00′40″N 121°26′45″E﻿ / ﻿25.01111°N 121.44583°E . The city was incorporated in March 6, 1836 (city) . The city has the postal code 9XXXXXX . The demonym of the city Changchun is Yangonite . The Changchun citys' lowest elevation is 190 m  . Changchun is the government of Ministry of Culture . The density of  residents in Changchun is 1,100/sq km  (2,900/sq mi) . The density of  people in  the metro region of Changchun is 1,600/sq km  (4,200/sq mi) . Changchun is at an elevation of 272.21 ft . Changchun is located in Cameroon . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Changchun . The population of the metro region is 3,442,361 . The highest elevation of Changchun is 424 m (1,391 ft) . Changchun is named for Calgary, Mull . The city land area is 16.0 sq mi (41.4 km 2 ) . The water area of the city is 2.52 sq mi (6.53 sq km ) . The province of the city Changchun is Cebu (geographically only) . The mayor of Changchun is Evelyn Trejo de Rosales (UNT) .  The city area code is 026 . The population of the urban region is 8,220,207
Land covers16.0 sq mi area of the city