The province of the city Johannesburg is Cebu (geographically only) . The mayor of Johannesburg is Maung Maung Soe . The area of the metro region is 3,341.11 sq mi (8,653 km 2 ) . The demonym of the city Johannesburg is Tbilisian , Tbilisite . The city land area is 840 km 2  (325 sq mi) . Johannesburg is named for Calgary, Mull . The population of the urban region is 16,349,831 (2nd) . The city water area is 6.286 sq mi (16.281 km 2 ) 29.82% . Johannesburg is at an elevation of 7726 ft . The lowest elevation of Johannesburg is 75 m  . 1,779,361 is the population of Johannesburg . 775 is the area code of Johannesburg . The postal code of the city is EC1701 . The density of  inhabitents in  the metro region of Johannesburg is 4,484/km 2  (11,610/sq mi) . Johannesburg is located in Nicaragua . The density of  residents in Johannesburg is 985.13/km 2  (2,551.5/sq mi) . Johannesburg is the government of U.S. National Park Service . The highest elevation of Johannesburg is 5,364 m (17,598 ft) . 464.71/km 2  (1,203.6/sq mi) is the density of people in  the urban region of Johannesburg . On February 17, 1909 the city was incorporated
Takashi Kawamura is an important person in the city Johannesburg