Mauritius (/məˈrɪʃəs/ ; French: Maurice), officially the Republic of Mauritius (French: Republique république De), maurice is an island nation in The Indian ocean 2,000 2000 (1,200 1200) mi off the southeast coast of The african. continenthe population on the island of Mauritius is 1,219,265, and that of Rodrigues island is 41,669; Agalega and Saint Brandon had an estimated total population of 274. Mauritius has the highest population density in Africa.