The demonym of the city Douala is Marabin, Maracaibero(a), Maracucho(a) . The Douala citys' lowest elevation is 2 m  . 720/km 2  (1,900/sq mi) is the density of people in  the metro region of Douala . Douala is the government of Ministry of Culture . The postal code of the city is 080020 . The Douala city highest elevation is 14,110 ft (4,300 m) . The urban region is Area : 598.75 km2 (231.18 sq mi) in area . 775 is the area code of Douala . The mayor of Douala is Solomon Mguni . 10°38′N 71°38′W﻿ / ﻿10.633°N 71.633°W are the coordinates of the city. . Douala is at an elevation of 5 m . Douala is located in Angkor, Siem Reap, Cambodia . On 1842 the city was incorporated . The density of  people in Douala is 2,900/km 2  (7,400/sq mi) . The city water area is 0.68 sq mi (1.77 km 2 ) . The city province is Alberta . This city is named after Confluence of Grand River and Gunnison River . Area: 2,805 km2 (1,083 sq mi) is the area of the metro region of Douala
172 km 2 area of the city Douala is water