Sasolburg is a large industrial city within the Metsimaholo Local Municipality in the far north of the Free State province of South Africa. Sasolburg is further sub-divided into three areas: Sasolburg proper, Vaalpark (a more affluent cluster of suburbs located about 5 km north of the Sasolburg CBD) and Zamdela (a township). Most white residents of Sasolburg speak Afrikaans as a first language, while most black people speak Sesotho as a first language. The Sasol corporation has sponsored infrastructural developments in Sasolburg, such as an Olympic size swimming pool.

Source: https://en.wikipedia.org/