West Africa Ivory Coast, and a succession of military coups in Ghana and Burkina Faso. Since the end of colonialism, the region has been the stage for some brutal conflicts, including: The Economic Community of West African States, established in May 1975, has defined the region of West Africa since 1999 as including the following 15 states: Geopolitically, the United Nations definition of Western Africa includes the preceding states with the addition of Mauritania (which withdrew from ECOWAS in 1999), comprising an area of approximately 6.1 million square km. The UN region also includes the island of Saint Helena, a British overseas
British West Africa British West Africa British West Africa was the collective name for British colonies in West Africa during the colonial period, either in the general geographical sense or the formal colonial administrative entity. The United Kingdom held varying parts of these territories or the whole throughout the 19th century. From west to east, the colonies became the independent countries of The Gambia, Sierra Leone, Ghana and Nigeria. Until independence, Ghana was referred to as Gold Coast. British West Africa, or the British West African Settlements, constituted during two periods (17 October 1821, until its first dissolution on 13 January 1850, and