Merafong City Local Municipality is a local municipality in West Rand District Municipality, Gauteng, South Africa. Its boundaries encloses some of the richest gold mines in the world. It is situated about 65 km from Johannesburg and is serviced by a number of major roads, including the N12 from Johannesburg to Beaufort West and the N14 (the main road between Gauteng and Vryburg via Ventersdorp).