Johannesburg is at an elevation of 184 m . Johannesburg is named for Miami-Illinois:  shikaakwa  ,  (wild onion or wild garlic) . Johannesburg is located in Sanma Province, Vanuatu . The density of  people in Johannesburg is 630/sq km  (1,600/sq mi) . On 1871-11-04 the city was incorporated .  The city area code is 9 . Johannesburg is the government of Ministry of Culture . The mayor of Johannesburg is Takele Uma Benti . The urban region has 3,372,090 population . The population of the metro region is 8,653,521 , 8,917,749 (Extended UA) . 4,800/km 2  (12,000/sq mi) is the density of residents in  the urban region of Johannesburg . The density of  people in  the metro region of Johannesburg is 2,813/km 2  (7,290/sq mi) . The land area of the city is 225.73 sq km  (87.15 sq mi) . The lowest elevation of Johannesburg is 1,240 ft . The postal code of the city is 21500 . The demonym of the city Johannesburg is Indorian . The Johannesburg city highest elevation is 424 m (1,391 ft) . The area of the city is Area: 418 km2 (161 sq mi) . The city Johannesburg province is Liaoning . 16°51′N 96°11′E﻿ / ﻿16.850°N 96.183°E are the coordinates of the city. . The city water area is 3.4 sq mi (8.8 sq km)
There are less than 8652841 citizen in the metro region of Johannesburg