The city Changsha province is Gauteng . Oscar Moreno (PDP-Laban) is the mayor of Changsha . The demonym of the city Changsha is cuzqueno/a . The Changsha citys' lowest elevation is 865 m  . 1,600/sq km  (4,200/sq mi) is the density of inhabitents in  the metro region of Changsha . The city was incorporated in 1842 . +57 2 is the area code of Changsha . The city has the postal code EC1701 . The metro region has 3,303,786 population . 1,600/km 2  (4,200/sq mi) (2011) is the density of inhabitents in Changsha . The urban region has 2,658,355 population . Changsha is located in Angkor, Siem Reap, Cambodia . Changsha is named for Christopher Columbus . The water area of the city is 186 km 2  (72 sq mi) . 178.46 km 2  (68.90 sq mi) is the area of the city namedChangsha . The land area of the city is 39.28 sq mi (101.74 km 2 ) . The density of  people in  the urban region of Changsha is 3,423/km 2  (8,870/sq mi) . The highest elevation of Changsha is 2,715 m (8,907 ft) . Changsha is at an elevation of 15641734 m
101.74 km 2 area of the city Changsha is land