Ports and harbours of Gabon

Libreville (; ) is the capital and largest city of Gabon, located on the Gabon Estuary. Libreville occupies of the northwestern province of Estuaire. Libreville is also a port on the Gabon Estuary, near the Gulf of Guinea. As of the 2013 census, its population was 703,904.

Port-Gentil () or Mandji is the second-largest city of Gabon, and a leading seaport. It is the center of Gabon's petroleum and timber industries. The city is located on a delta island in the Ogooue delta. Nearby Cape Lopez is Gabon's westernmost point. As of 2013 census, it had a population of 136,462.

human settlement in Gabon

Owendo is a port city in Gabon, forming a south western suburb of Libreville.