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