The Seychelles consist of an archipelago of about 100 islands in the Indian Ocean northeast of Madagascar. The principal islands are Mahé (55 sq mi; 142 sq km), Praslin (15 sq mi; 38 sq km), and La Digue (4 sq mi; 10 sq km). The Aldabra, Farquhar, and Desroches groups are included in the territory of the republic.