or COMORO ISLANDS, a group of 4 volcanic islands in the Mozambique Channel, between Madagascar and the east coast of Africa. The group consists of Angaziya or Great Comoro, Anzuau or Johanna, Mohilla, and Mayotta. The islands are mountainous and fertile, affording pasturage to large herds of cattle. The Great Comoro contains 12,000 inhabitants, who are chiefly Arabs, and almost all Mohammedans.