Sedibeng is one of the districts of the Gauteng province of South Africa. The administrative seat of Sedibeng is Vereeniging. The most widely spoken language among its 794,605 inhabitants is Sesotho (2001 Census).Situated in South Africa, the jurisdictional area of Sedibeng District Municipality covers the entire southern area of Gauteng Province, extending along a 120 km axis from east to west. The total extent of the Sedibeng area of jurisdiction is 4630 km².