The Republic of the Southern Indian Ocean Islands (French: République des Îles australes de l'Océan Indien) is a federal state comprised of seven island provinces comprising a total of 314 islands and countless smaller rocks, skerries, and rock reefs. Its total landsmass covers approximately 8329 km² and its population is just under 87,000. It is a semi-presidential republic with its capital in Port-aux-Français, the country's largest city. The inhabitants mainly speak French, although the provinces of Heard Island and McDonald Islands, and Prince Edward Islands are predominantly anglophone.