ZANZIBAR

geographical name island E Africa off NE Tanzania mainland area 600 square miles (1554 square kilometers ), population 375,539; formerly a sultanate, with Pemba & adjacent islands forming a British protectorate; became independent 1963; united 1964 with Tanganyika to form Tanzania, city & port capital of the island & formerly of protectorate population 157,634 , ~i noun or adjective