Wanderlust World Wanderlust World The Kalahari Desert is located on the African continent, covering parts of Botswana, Namibia, and South Africa, with extensions into Angola and Zambia. It is the largest desert in Southern Africa, spanning roughly 900,000 square kilometers. Despite its name, the Kalahari is technically a fossil desert or semi-arid savanna, receiving more rainfall than true deserts and supporting a surprising diversity of life.