Chengdu is located in People's Republic of China . The density of  people in  the urban region of Chengdu is 464.71/km 2  (1,203.6/sq mi) . The density of  inhabitents in  the metro region of Chengdu is 1,275/sq km (3,300/sq mi) . The Chengdu citys' lowest elevation is 1 m  . 57 + 5 is the area code of Chengdu . The metro region has 1,401,687 population . The city land area is 1,117.11 km 2  (431.32 sq mi) . The highest elevation of Chengdu is 14,110 ft (4,300 m) . 5,165.1/km 2  (13,378/sq mi) is the density of inhabitents in Chengdu . Chengdu is at an elevation of 2250 m . Mohammad Reza Kalaie is the mayor of Chengdu . The city water area is 1.420 sq mi (3.677 km 2 )  13.73% . The city was incorporated in 1799 (Guyandotte) . 26°10′S 28°18′E﻿ / ﻿26.167°S 28.300°E are the coordinates of the city. . The city is Area: 223 km2 (86 sq mi) in area . The city Chengdu demonym is Caleño . The city province is Alberta . The city has the postal code 16000 . 3,435,394 is the population of the urban region of Chengdu . Chengdu is named for Rao Jodha
3 ft is the lowest point in Chengdu