Vanderbijlpark is an industrial city with approximately 75 000 inhabitants, and 95 000 inhabitants in the metropole, situated on the Vaal River in the south of Gauteng province, South Africa. The city is named after Hendrik van der Bijl, an electrical engineer and industrialist.
Vanderbijlpark is home to Vanderbijlpark Steel, previously part of the South African Iron and Steel Corporation, which subsequently became a subsidiary of the global company ArcelorMittal. With neighbouring towns Vereeniging and Sasolburg, it forms the Vaal Triangle, historically a major industrial region of South Africa. It is situated in the local municipality of Emfuleni and district municipality of Sedibeng.
The peri-urban black townships Boipatong, Bophelong, Sebokeng, Evaton and Sharpeville are close to the city.