Plateau region W Republic of South Africa W of Drakensberg Mountains divided into Little Karoo or Southern Karoo (in central Western Cape province), Great Karoo or Central Karoo (in Western Cape and Eastern Cape provinces), and Northern Karoo or Upper Karoo (in Northern Cape, Free State, and North West provinces).
Two areas of semidesert in Eastern Cape Province, South Africa, divided into the Great Karroo and Little Karroo by the Swartberg Mountains. The two Karroos together have an area of about 260,000 sq km/100,000 sq mi.

Dry terracelike plateau of S Africa.