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