The Ngorongoro Conservation Area covers 8,292 square kilometers. It is one of the three divisions that comprise Ngorongoro District in Arusha Region.
NCA was established in 1959 by the NCA Ordinance No 413 of 1959 as a multiple land use area, designated to promote the conservation of natural resources, safeguard the interests of NCA indigenous residents and promote tourism. NCA is a unique protected area in the whole of Africa where conservation of natural resources in integrated with human development.
The main feature of the NCA include the Ngorongoro Crater, The Serengeti Plains that support about 2.0 millions migratory wildlife species of the Serengeti Mara-ecosystem (TAWIRI, 2003) and the catchment forest; the Northern Highland Forest Reserve (NHFR) known as 'Entim Olturot' in Maa language. Other important features found in the NCA are the archaeological and palaeontological site located at Oldupai Gorge and the early human foot-prints that were discovered at Alaitole in Ngarusi area. Because of these particular features and the harmonious co-existence between wildlife and people that has existed for many years, NCA was accorded the status of a World Heritage Site and listed as one of the International Biosphere Reserve by the UNESCO's Man and Biosphere Reserve Programme.