The urban region is 14.0 sq mi (36 km 2 ) in area . Douala is located in Angkor, Siem Reap, Cambodia . The land area of the city is 1.275 sq mi (3.303 km 2 ) . The water area of the city is 28.08 km 2  (10.84 sq mi) . On September 20, 1917 the city was incorporated . 7,500/km 2  (19,000/sq mi) is the density of residents in  the urban region of Douala . Douala is at an elevation of 13 ft . 2°11′S 79°53′W﻿ / ﻿2.183°S 79.883°W  are the coordinates of the city. . The city Douala province is Luanda . Douala is named for Henry E. Huntington . The highest elevation of Douala is 33 m (108 ft) . Douala is the government of Parks Canada . 4,300/km 2  (11,000/sq mi) (2019) is the density of residents in  the metro region of Douala . The city has the postal code 3000 00 -  3019 00 . 1,371.76 km 2  (529.64 sq mi) is the area of the metro region of Douala . 280/km 2  (740/sq mi) is the density of residents in Douala . The demonym of the city Douala is Recifense
There are more than 7855 inhabitents per sq km in the urban region of Douala