Tanzania is an East African country known for its vast wilderness areas. They include the plains of Serengeti National Park, a safari mecca populated by the “big five” game (elephant, lion, leopard, buffalo, rhino), and Kilimanjaro National Park, home to Africa’s highest mountain. Offshore lie the tropical islands of Zanzibar, with Arabic influences, and Mafia, with a marine park home to whale sharks and coral reefs. Tanzania is a multilingual country. Swahili and English, the latter of which was inherited from colonial rule (see Tanganyika Territory), are widely spoken as lingua francas. ... They serve as working languages in the country, with Swahili being the official national language.