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