Definition of Tanzania from the Oxford Advanced Learner's Dictionary

a country in East Africa which is a member of the Commonwealth. It was formed in 1964 when two other Commonwealth countries, Tanganyika and Zanzibar, combined. Its capital city is Dodoma and its official languages are Swahili and English. It is a mainly agricultural country, with an important tourist industry. Many people visit Tanzania to see the wide variety of wild animals living there. See related entries: Countries and continents
See the Oxford Advanced American Dictionary entry: Tanzania