Major sources and definitions Geography Sierra Leone, on the Atlantic Ocean in West Africa, is half the size of Illinois. Guinea, in the north and east, and Liberia, in the south, are its neighbors.
Mangrove swamps lie along the coast, with wooded hills and a plateau in the interior.
The eastern region is mountainous. Government Constitutional democracy. The Bulom people were thought to have been the earliest inhabitants of Sierra Leone, followed by the Mende and Temne peoples in the 15th century, and thereafter the Fulani. Freetown, on the coast, was ceded to English settlers in 1787 as a home for blacks discharged from the British armed forces and also for runaway slaves who had found asylum in London. In 1808 the coastal area became a British colony, and in 1896 a British protectorate was proclaimed over the hinterland.