2,658,355 is the population of the urban region of Changsha . The city land area is 39.28 sq mi (101.74 km 2 ) . Changsha is located in Angkor, Siem Reap, Cambodia . The density of  people in  the urban region of Changsha is 3,423/km 2  (8,870/sq mi) . This city is named after Christopher Columbus . The city water area is 186 km 2  (72 sq mi) . The city has the postal code EC1701 . Oscar Moreno (PDP-Laban) is the mayor of Changsha . The demonym of the city Changsha is cuzqueno/a . The Changsha citys' lowest elevation is 2,838 ft . The area of the city is 178.46 km 2  (68.90 sq mi) . The city province is Gauteng . The density of  inhabitents in  the metro region of Changsha is 1,600/sq km  (4,200/sq mi) . Changsha is at an elevation of 51305690 ft . The city was incorporated in 1842 . The highest elevation of Changsha is 2,715 m (8,907 ft) . The density of  inhabitents in Changsha is 1,600/km 2  (4,200/sq mi) (2011) .  The city area code is +57 2 . The population of the metro region is 3,303,786
There are 9319 people per sq mi in the urban region of Changsha