The Province of the Transvaal , commonly referred to as the Transvaal Province (, ) was a province of South Africa from 1910 until the end of apartheid in 1994, when a new constitution subdivided it. The name "Transvaal" refers to the province's geographical location to the north of the  Vaal River. Its capital was Pretoria, which was also the country's administrative capital, while its largest city was Johannesburg.