Johannesburg World Cities Research Network. In 2011, the population of the city of Johannesburg was 4,434,827, making it the most populous city in South Africa. In the same year, the population of Johannesburg's urban agglomeration was put at 7,860,781. The land area of the municipal city () is large in comparison with those of other major cities, resulting in a moderate population density of . The city was established in 1886 following the discovery of gold on what had been a farm. The city is commonly interpreted as the modern day El Dorado due to the extremely large gold deposit found
Department of Mineral Resources (South Africa) its head office in the Trevenna Office Campus in Sunnyside, a suburb of the national capital Pretoria. There are regional offices in Polokwane, eMalahleni, Johannesburg, Klerksdorp, Durban, Port Elizabeth, Mthatha, Cape Town, Kimberley, Springbok and Welkom. The department had 1 099 employees in 2012, and received a budget of R1 394 million for the 2013–14 financial year. The department's chief inspector of mines is David Msiza. Department of Mineral Resources (South Africa) The Department of Mineral Resources is a department of the national government of South Africa which is responsible for overseeing the mining industry of South Africa and the