Ngorongoro Conservation Area is a protected and a UNESCO World Heritage Site located in Ngorongoro District 180 km west of Arusha city. Serengeti National Park is a large national park in northern Tanzania that stretches over 14,763 sq km. Zanzibar is an island in the Indian Ocean off the coast of Tanzania. This Word Heritage site locally referred to as the “Spice Island”, stretches about 1,464sq km.