Karachi is the government of National Park Service . The mayor of Karachi is Ken Christian . The lowest elevation of Karachi is 7 ft . The city has the postal code EC1701 . The city water area is 186 km 2  (72 sq mi) . The land area of the city is 5.39 sq mi (13.96 km 2 ) . 662.1/km 2  (1,715/sq mi) is the density of inhabitents in  the metro region of Karachi . Karachi is named for Henry E. Huntington . 14,708.8/km 2  (38,096/sq mi) is the density of inhabitents in  the urban region of Karachi . 13,542,900 is the population of the metro region of Karachi . The province of the city Karachi is Algiers Province . The Karachi city highest elevation is 2,715 m (8,907 ft) . Karachi is at an elevation of 4455 ft .  The city area code is 026 . The coordinates of the city are 25°18′45″N 80°41′15″W﻿ / ﻿25.3125000°N 80.6875000°W﻿ / 25.3125000; -80.6875000 . Karachi is located in Zulia . The density of  residents in Karachi is 1,600/km 2  (4,200/sq mi) (2011)
The peak of the city is at 865 m 