Transvaal

geographical name

Trans·​vaal tran(t)s-ˈväl 

tranz-

former province of the northeastern part of the Republic of South Africa between the Vaal and the Limpopo rivers capital Pretoria area 109,621 square miles (283,918 square kilometers)

Note: In the 19th century Transvaal was a Boer republic (the South African Republic).