Johannesburg is the largest city in South Africa. It is the provincial capital of Gauteng, which is the wealthiest province in South Africa. The city is one of the 50 largest urban agglomerations in the world,and is also the world's largest city not situated on a river, lake, or coastline. The city was named and established in 1886 following the discovery of gold on what had been a farm. The name is attributed to one or all of three men involved in the establishment of the city.