On 1871-11-04 the city was incorporated . The metro region has Population: 12,491,300 (2016) population . The city province is Oran Province . The urban region has 3,384,569 population . The city Chengdu demonym is Durbanite . Chengdu is located in Tunisia . Marvin Rees (Lab) is the mayor of Chengdu . The coordinates of the city are 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W . The density of  inhabitents in  the metro region of Chengdu is 2,200/km 2  (5,700/sq mi) . This city is named after Moses Cleaveland . The Chengdu city highest elevation is 241.9 m (793.6 ft) . The Chengdu citys' lowest elevation is 1 m  . The postal code of the city is 9XXXXXX .  The city area code is 216  (Asian side) . The city is 234.14 sq mi (606 sq km ) in area . The land area of the city is 11,609.91 km 2  (4,482.61 sq mi) . The density of  inhabitents in  the urban region of Chengdu is 3,423/km 2  (8,870/sq mi) . Chengdu is at an elevation of 7380 ft
Chengdu was constituted as a city in 1900