The Comoros, officially the Union of the Comoros, is an island country in the Indian Ocean located at the northern end of the Mozambique Channel off the eastern coast of Africa between northeastern Mozambique, the French region of Mayotte, and northwestern Madagascar. The capital and largest city in Comoros is Moroni. The religion of the majority of the population, and the official state religion, is Sunni Islam. As a member of the Arab League, the Comoros is the only country in the Arab world which is entirely in the Southern Hemisphere.