Now renamed as Nyerere National Park (in part), is a protected area in southern Tanzania. It covers a total area of 50,000 km2 (19,000 sq. mi) and has additional buffer zones. It was designated a UNESCO World Heritage Site in 1982 due to its wildlife diversity and undisturbed nature. Some of the diverse wildlife of the Miombo include the African bush elephant, south-central black rhinoceros, hippopotamus, lion, African wild dog, African buffalo, Masai giraffe, plains zebra and Nile crocodile. Permanent human habitation is not permitted within the reserve. All human entry and exit are controlled by the Wildlife Division of the Tanzanian Ministry of Natural Resources and Tourism.