Port-aux-Français is the main settlement of the Kerguelen Islands, and French Southern and Antarctic Lands, in the south Indian Ocean.

The French Southern and Antarctic Lands is an overseas territory of France. It consists of:Adélie Land, the French claim on the continent of Antarctica. Crozet Islands, a group in the southern Indian Ocean, south of Madagascar. Kerguelen Islands, a group of volcanic islands in the southern Indian Ocean, southeast of Africa. Saint Paul and Amsterdam Islands, a group to the north of the Kerguelen Islands. Scattered Islands, a dispersed group of islands around the coast of Madagascar.