Travelers are voting Montecasino as the best casino in Johannesburg. There is 1 casino in Pretoria a city just 34 km from Johannesburg. The most popular of these is Montecasino in Pretoria. You can find 1 casino in Gauteng and 2 casinos in the country of South Africa. Our members favorite in Gauteng is Montecasino and Sun City is the top pick in South Africa. Want more? Check out our map of casinos in Johannesburg.