Botswana and 30°E. The country is predominantly flat, tending toward gently rolling tableland. Botswana is dominated by the Kalahari Desert, which covers up to 70% of its land surface. The Okavango Delta, one of the world's largest inland deltas, is in the northwest. The Makgadikgadi Pan, a large salt pan, lies in the north. The Limpopo River Basin, the major landform of all of southern Africa, lies partly in Botswana, with the basins of its tributaries, the Notwane, Bonwapitse, Mahalapye, Lotsane, Motloutse and the Shashe, located in the eastern part of the country. The Notwane provides water to the capital through
Karakum Desert Karakum Desert The Karakum Desert, also spelled Kara-Kum and Gara-Gum (, ; ;), is a desert in Central Asia. Its name means "Black Sand" in Turkic languages, in reference to the dark soil that lies beneath the sandy surface of much of the desert. It occupies about 70 percent, or 350,000 km², of the area of Turkmenistan. The population is sparse, with an average of one person per 6.5 km² (one person per 2.5 square miles). Rainfall is also sparse, ranging from 70 to 150 mm per year. Covering much of present-day Turkmenistan, the Karakum Desert lies east of the