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