Country Profile: Comoros 🇰🇲 East Africa The Comoros, officially the Union of the Comoros, is an archipelagic country made up of three islands in South-Eastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. Its capital and largest city is Moroni. The religion of the majority of the population, and the official state religion, is Sunni Islam. Comoros proclaimed its independence from France on 6 July 1975. The Comoros is the only country of the Arab League whic