The city was incorporated in 1871-11-04 . The density of  inhabitents in  the metro region of Chengdu is 2,200/km 2  (5,700/sq mi) . The area of the city is 234.14 sq mi (606 sq km ) . 3,423/km 2  (8,870/sq mi) is the density of people in  the urban region of Chengdu . 3,384,569 is the population of the urban region of Chengdu . Chengdu is named for Moses Cleaveland . 216  (Asian side) is the area code of Chengdu . Chengdu is located in Tunisia . The coordinates of the city are 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W . The city has the postal code 9XXXXXX . Population: 12,491,300 (2016) is the population of the metro region of Chengdu . The land area of the city is 11,609.91 km 2  (4,482.61 sq mi) . Chengdu is at an elevation of 2250 m . Marvin Rees (Lab) is the mayor of Chengdu . The demonym of the city Chengdu is Durbanite . The lowest elevation of Chengdu is 3 ft . The Chengdu city highest elevation is 241.9 m (793.6 ft) . The city Chengdu province is Oran Province
The city Chengdu is 2200/km 2 populace in it's metro region