The main river dispensing its waters in the gulf is the
Niger River. Different definitions of the geographic limits of the Gulf of Guinea are given; the
International Hydrographic Organization defines the southwest extent of the Gulf of Guinea as "B line from Cap Lopez (), in Gabon, northwestward to
Ihléu Gago Coutinho (Ilhéu das Rôlas) (); and thence a line from Ihléu Gago Coutinho northwestward to Cape Palmas (), in Liberia. File:Carte du golfe de Guinée-18e s..jpg|Old French map of the Gulf of Guinea File:Limites du golfe de Guinée-fr.svg|Different limits of the Gulf of Guinea File:Gulf of Guinea 5.24136E 2.58756N.jpg|
Satellite imagery of the Gulf of Guinea showing borders of states on its shores
Islands in the Gulf of Guinea The Gulf of Guinea contains a number of islands, the largest of which are in a southwest-northeast chain, forming part of the
Cameroon line of volcanoes. •
Annobón, also known as Pagalu or Pigalua, is an island that is part of
Equatorial Guinea. •
Bobowasi Island is an island off the west coast of Africa in the Gulf of Guinea that is part of the
Western Region of Ghana. •
Bioko is an
island off the
Ambazonian region of Cameroon in the Gulf of Guinea under the sovereignty of Equatorial Guinea. •
Corisco is an island belonging to Equatorial Guinea, as are the two small islands of
Elobey Grande and
Elobey Chico.
São Tomé and Príncipe (officially the Democratic Republic of São Tomé and Príncipe) is a Portuguese-speaking
island nation in the Gulf of Guinea that became independent from
Portugal in 1975. It is located off the western equatorial coast of Africa and consists of two islands,
São Tomé and
Príncipe. They are located about apart and about , respectively, off the northwestern coast of
Gabon. Both islands are part of an
extinct volcanic mountain range. São Tomé, the sizeable southern island, is situated just north of the
Equator. == Maritime security ==