The postal code of the city is 080020 . The water area of the city is 0.68 sq mi (1.77 km 2 ) . The density of  people in  the metro region of Douala is 720/km 2  (1,900/sq mi) . The city Douala demonym is Marabin, Maracaibero(a), Maracucho(a) . This city is named after Confluence of Grand River and Gunnison River . 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 mayor of Douala is Solomon Mguni . The highest elevation of Douala is 14,110 ft (4,300 m) . 10°38′N 71°38′W﻿ / ﻿10.633°N 71.633°W are the coordinates of the city. . The city province is Alberta . The metro region is Area: 2,805 km2 (1,083 sq mi) in area . The lowest elevation of Douala is 2 m  . Douala is the government of Ministry of Culture .  The city area code is 775 . The urban region is Area : 598.75 km2 (231.18 sq mi) in area
The day to day governing of the city is supervised by Solomon Mguni