The city province is Guayas . (+593) 4 is the area code of Chengdu . The highest elevation of Chengdu is 324 m (1,063 ft) . The density of  residents in  the metro region of Chengdu is 662.1/km 2  (1,715/sq mi) . The city was incorporated in 1842 . The land area of the city is 138.75 sq mi (359.36 km 2 ) . 700/km 2  (1,800/sq mi) is the density of people in Chengdu . The density of  people in  the urban region of Chengdu is 464.71/km 2  (1,203.6/sq mi) . The city water area is 129.3 km 2  (49.9 sq mi) . The mayor of Chengdu is Francisco "Frank" Moran (D, term ends December 31, 2021) . The lowest elevation of Chengdu is 2,838 ft . Chengdu is at an elevation of 3250 ft . Population: 1,075,800 (2017) is the population of Chengdu . Chengdu is the government of Municipality of Quito . The coordinates of the city are 13°24′45″N 103°52′0″E﻿ / ﻿13.41250°N 103.86667°E﻿ / 13.41250; 103.86667 . The urban region is 1,295 sq mi (3,350 km 2 ) in area . 5,496.31 km 2  (2,122.14 sq mi) is the area of the metro region of Chengdu
Chengdu is located at 39°08′N 117°11′E﻿ / ﻿39.133°N 117.183°E