The Vaal Triangle is an industrial region in South Africa, located near the confluence of the Vaal River and the Sundays River. It encompasses cities such as Vanderbijlpark, Sasolburg, and Heidelberg. This area is known for its heavy industry, including steel production and chemical manufacturing, contributing significantly to the country's economy. The Vaal Triangle is also part of the Gauteng province, which is the economic hub of South Africa. The region has a diverse population and offers various amenities, including schools, shopping centers, and recreational facilities, making it a vital area for both industry and community life.