Gabon sits on the Atlantic coast of Central Africa, straddling the equator. The country covers approximately 267,667 square kilometers. Rainforest blankets roughly 88 percent of the territory, making Gabon one of the most forested nations on Earth by percentage. The Ogooué River drains most of the interior, flowing westward for about 1,200 kilometers before meeting the Atlantic. The Crystal Mountains rise in the northwest, forming a barrier between coastal lowlands and interior plateaus. Libreville, the capital, occupies the northern shore of the Komo estuary in Estuaire Province. The coastline extends for approximately 885 kilometers, mixing sandy beaches with mangrove systems and lagoons.
The administrative structure divides Gabon into nine provinces: Estuaire, Haut-Ogooué, Moyen-Ogooué, Ngounié, Nyanga, Ogooué-Ivindo, Ogooué-Lolo, Ogooué-Maritime, and Woleu-Ntem. Port-Gentil anchors Ogooué-Maritime Province on the coast, functioning as the petroleum industry center. Franceville serves as the main city of Haut-Ogooué Province in the southeast. Oyem sits in Woleu-Ntem Province near the northern border. Lambaréné occupies an island position in the Ogooué River within Moyen-Ogooué Province. Population density remains among the lowest in Africa, with approximately 2.3 million people inhabiting a territory nearly the size of Colorado.
Archaeological evidence places human occupation in the region extending back tens of thousands of years, though systematic excavation remains limited. Bantu-speaking populations migrated into the area over the past two millennia, displacing or absorbing earlier hunter-gatherer groups. The Baka, often called Pygmies, represent descendants of these original forest inhabitants and maintain distinct languages and cultural practices. They number perhaps 30,000 today, concentrated in forested areas.
The largest ethnic group, the Fang, migrated southward from the Cameroon region beginning approximately 200 years ago, settling primarily in northern provinces including Woleu-Ntem and Estuaire. They comprise roughly 32 percent of the current population. The Mpongwe occupied coastal areas around the Komo estuary before European contact and facilitated early trade relationships. Other significant groups include the Nzebi in Ngounié Province, the Obamba in Haut-Ogooué, the Teke on the Batéké Plateau, and numerous smaller communities including the Punu, Sira, Kota, and Myene peoples. Each maintains distinct languages, though French serves as the official national language, introduced during colonial rule.
Portuguese sailors reached the Gabonese coast in the 1470s. The name "Gabon" derives either from the Portuguese word "gabão" meaning coat or cloak, describing the shape of the Komo estuary, or from the local term for the estuary itself. For three centuries, the coastline served as a procurement zone for the transatlantic slave trade. Portuguese, Dutch, French, and British traders established temporary posts. Mpongwe intermediaries controlled much of this coastal commerce, trading enslaved people captured in the interior for European manufactured goods.
French naval forces established a permanent presence in 1839 when Captain Bouët-Willaumez signed a treaty with the Mpongwe chief Antchoué Komé Rapontchombo, known to the French as King Denis. The French constructed Fort d'Aumale on the north shore of the Komo estuary. In 1849, the French navy intercepted a slave ship and freed its human cargo, settling the liberated captives at the site. This settlement took the name Libreville, meaning "free town." The community grew slowly, mixing freed slaves, Mpongwe inhabitants, and French colonial administrators.
Pierre Savorgnan de Brazza explored the interior during the 1870s and 1880s, claiming vast territories for France. His expeditions followed the Ogooué River system, establishing the geographical basis for French Equatorial Africa. Gabon became part of French Congo in 1888, then a separate territory within French Equatorial Africa in 1910. The colonial administration remained thin outside Libreville and a few river posts. France extracted timber, particularly okoumé wood used for plywood, and rubber from wild vines. Colonial companies used forced labor systems that killed thousands of Gabonese through overwork, starvation, and disease.
Albert Schweitzer, an Alsatian theologian, musician, and physician, established a hospital at Lambaréné in 1913. He spent most of the next fifty years treating patients, primarily for tropical diseases including malaria and sleeping sickness. Schweitzer received the Nobel Peace Prize in 1952. The Albert Schweitzer Hospital continues to operate today. His legacy remains contested—some view him as a humanitarian while others criticize his paternalistic attitudes toward Africans.