Arusha is a city in northern Tanzania, the capital of the Arusha Region, with a projected population of 2,288,088, including 516,000 for the Arusha District (2012 census). The city of Arusha is surrounded by some of Africa’s most famous landscapes and national parks. Situated below Mount Meru on the eastern edge of the eastern branch of the Great Rift Valley, Arusha has a temperate climate. The city is close to Serengeti, Ngorongoro Crater, Lake Manyara, Olduvai Gorge, Tarangire National Park, and Mount Kilimanjaro and The Arusha National Park on Mount Meru.Arusha is a major international diplomatic hub. The city hosts and is regarded[who?] as the de facto capital of the East African Community. Since 1994, the city has also hosted the International Criminal Tribunal for Rwanda.