The population of the metro region is Population: 3,113,725  . 3,351/km 2  (8,680/sq mi) is the density of people in Karachi .  The city area code is (+20) 2 . Population: 3,160,000 (2006) is the population of the urban region of Karachi . The city land area is 16.0 sq mi (41.4 sq km) . The Karachi citys' lowest elevation is 0 ft . The city was incorporated in November 7, 1861, as Denver City, C.T. . The coordinates of the city are 59°20′17″N 018°04′20″E﻿ / ﻿59.33806°N 18.07222°E﻿ / 59.33806; 18.07222 . The water area of the city is 4.12 sq mi (10.67 km 2 ) . Karachi is the government of Municipality of Quito . Karachi is at an elevation of 16 ft . 210.9/km 2  (546.2/sq mi) is the density of residents in  the metro region of Karachi . Karachi is located in Sanma Province, Vanuatu . The city Karachi demonym is Recifense . The mayor of Karachi is Takele Uma Benti . The city Karachi province is Jilin . 4,800/km 2  (12,000/sq mi) is the density of inhabitents in  the urban region of Karachi . The Karachi city highest elevation is 1,879 m (6,165 ft) . This city is named after Christopher Columbus . The city has the postal code 130000
The city Karachi is part of Santiago Province province