The Changsha citys' lowest elevation is 2,838 ft . The province of the city Changsha is Gauteng . The city is 178.46 km 2  (68.90 sq mi) in area . This city is named after Christopher Columbus . The density of  inhabitents in  the metro region of Changsha is 1,600/sq km  (4,200/sq mi) . The Changsha city highest elevation is 2,715 m (8,907 ft) . The population of the urban region is 2,658,355 . The postal code of the city is EC1701 . The density of  inhabitents in Changsha is 1,600/km 2  (4,200/sq mi) (2011) . The density of  people in  the urban region of Changsha is 3,423/km 2  (8,870/sq mi) . The city land area is 39.28 sq mi (101.74 km 2 ) . The city Changsha demonym is cuzqueno/a .  The city area code is +57 2 . Oscar Moreno (PDP-Laban) is the mayor of Changsha . Changsha is at an elevation of 15641734 m . The metro region has 3,303,786 population . On 1842 the city was incorporated . Changsha is located in Angkor, Siem Reap, Cambodia . The city water area is 186 km 2  (72 sq mi)
The city Changsha is 3423/km 2 populace in it's urban region