evidence: 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. [...] Mayotte is also a territory that is claimed by Comoros but is a part of France as an oversea territory. The other islands form the independent state of Comoros. [...] In November 1975, the Comoros became the 143rd member of the United Nations. The citizens of Mayotte chose to become French citizens and keep their island as a French territory.