Johannesburg Johannesburg Johannesburg (; ; also known as Jozi, Joburg, and eGoli) is the largest city in South Africa and one of the 50 largest urban areas in the world. It is the provincial capital and largest city of Gauteng, which is the wealthiest province in South Africa. While Johannesburg is not one of South Africa's three capital cities, it is the seat of the Constitutional Court. The city is located in the mineral-rich Witwatersrand range of hills and is the centre of large-scale gold and diamond trade. The metropolis is an alpha global city as listed by the Globalization and
Mineral industry of Africa to China, and 1% of African gas goes to Asia. North African preferentially exporting its oil to western countries was EU 64%; US 18%; all others 18%. Mineral industry of Africa The mineral industry of Africa is the largest mineral industries in the world. Africa is the second largest continent, with 30 million km² of land, which implies large quantities of resources. For many African countries, mineral exploration and production constitute significant parts of their economies and remain keys to economic growth. Africa is richly endowed with mineral reserves and ranks first or second in quantity of world reserves of