Gauteng is smallest province in South Africa, nevertheless, it contains the country’s largest city, Johannesburg. It is seen as the economic hub of the country and contributes heavily in most sectors. It accounts for a third of the country’s gross domestic product and is famous for being the source of 40% of all the gold mined on earth. It is for this very reason that Gauteng is commonly known as Egoli, Place of Gold. It was also here that the exquisite Cullinan Diamond was discovered, weighing in at whopping 530.2 carats!