It is bound by Congo to the northeast, east and south, Cameroon to the north, Equatorial Guinea to the northwest and the Atlantic Ocean to the west.
In southern Gabon the coastal plain is dominated by granite hills and almost the entire country is situated on the Ogooue River with its two major tributaries, the N'Gounie and Ivindo Rivers.
President Omar Bongo, who succeeded M'Ba on the latter's death in 1967 and is now one of Africa's longest serving heads of state, has maintained them ever since.
Gabon is one of the few countries in Africa to maintain a positive balance of trade.
Under the 1961 constitution, as amended, the president of Gabon was directly elected for a seven-year term, serving as both chief of state and head of government.