Нгоронгоро
Tourism is also a major part of the economy of the city of Arusha, and the largest dollar-earning economic sector in Tanzania. The city is located on the northern safari circuit near some of the greatest national parks and game reserves in Africa, including Serengeti National Park, Kilimanjaro National Park, Ngorongoro Conservation Area, Arusha National Park, Lake Manyara National Park, and Tarangire National Park.