The Changchun citys' lowest elevation is 1,750 m . Changchun is located in Angkor, Siem Reap, Cambodia . Changchun is at an elevation of 430 ft . The density of  people in  the urban region of Changchun is 2,305/km 2  (5,970/sq mi) . The city has the postal code 8320000 . Changchun is the government of Ministry of Culture . The density of  residents in  the metro region of Changchun is 2,500/km 2  (6,600/sq mi) . The land area of the city is 194.74 sq mi (504.38 km 2 ) . The water area of the city is 3.4 sq mi (8.8 km 2 ) .  The city area code is (+20) 2 . The area of the urban region is 584.4 sq mi (1,513.59 km2) . The Changchun city highest elevation is 14,110 ft (4,300 m) . The coordinates of the city are 12°00′N 8°31′E﻿ / ﻿12.000°N 8.517°E . This city is named after Christ Church, Oxford . The city province is Cebu (geographically only) . The city is 344.5 km 2  (133.01 sq mi) in area . The density of  people in Changchun is 630/sq km  (1,600/sq mi)
More than 712 km 2 area of the city Changchun is water