Comoros (officially called Union of the Comoros) is a small island nation in the Indian Ocean. It is between Madagascar and mainland Africa. The capital is Moroni on Grande Comore. The population (except for Mayotte) is about 798,000 people.

The Comoros Islands are in the Indian Ocean, between Mozambique and Madagascar. It is the southernmost member state of the Arab League.

There are 4 islands from west to east: Grande Cormore, Moheli, Anjouan and Mayotte. All the islands are of volcanic origin. Islam is the official religion of Comoros with over 90% of the population being Sunni Muslims.

Mayotte is also a territory that is claimed by Comoros but is under occupation by the French as an overseas territory. The other islands form the independent state of Comoros.

The country has a history with many coup d'état since independence in 1975. As of 2008, about half the people live below the international poverty line of US$1.25 a day.

Mount Karthala is the country's highest point. Karthala is an active shield volcano on Grand Cormore. It had a minor eruption in May 2006.