The city water area is 4.12 sq mi (10.67 km 2 ) . The city was incorporated in February 17, 1909 . The province of the city Chengdu is Bulawayo . Chengdu is at an elevation of 1601 ft . The lowest elevation of Chengdu is 190 m  . Chengdu is located in People's Republic of China . The population of the urban region is 7,860,781 . 2,813/km 2  (7,290/sq mi) is the density of people in  the metro region of Chengdu . The density of  people in Chengdu is 3,300/km 2  (8,600/sq mi) . The mayor of Chengdu is Armand Béouindé (since 2016) . The Chengdu city highest elevation is 33 m (108 ft) . Population (2015): 2,500,000 is the population of the metro region of Chengdu . The coordinates of the city are 6°14′40″S 155°23′02″E﻿ / ﻿6.24444°S 155.38389°E . The city has the postal code 9XXXXXX .  The city area code is 0211 . Chengdu is the government of Swedish Ice Hockey Association . The demonym of the city Chengdu is Capetonian . The density of  inhabitents in  the urban region of Chengdu is 3,300/km 2  (8,600/sq mi) . Chengdu is named for Cartagena, Spain
10.67 km 2 area of the city Chengdu is water