Chengdu is named for Confluence of Grand River and Gunnison River . Chengdu is located in United States . The coordinates of the city are 35°41′49″N 0°37′59″W﻿ / ﻿35.69694°N 0.63306°W . Maung Maung Soe is the mayor of Chengdu . The lowest elevation of Chengdu is 2 m  . The density of  people in Chengdu is 12,510/km 2  (32,400/sq mi) . On 1900 the city was incorporated . The water area of the city is 0.49 sq mi (1.27 km 2 ) .  The city area code is 9 . The land area of the city is 5.39 sq mi (13.96 km 2 ) . 4,005,015 is the population of the metro region of Chengdu . The city Chengdu demonym is Tianjinese , Tianjiner . Chengdu is the government of U.S. National Park Service . The area of the city is Area: 619 km2 (239 sq mi) . 7,500/km 2  (19,000/sq mi) is the density of inhabitents in  the urban region of Chengdu . The city Chengdu province is Alberta . The Chengdu city highest elevation is 14,110 ft (4,300 m) . The urban region is 227.70 km 2  (87.92 sq mi) in area . The postal code of the city is 130000 . Chengdu is at an elevation of 9350 ft
More than 897 sq mi area of the city Chengdu is land