Mauritius (a country in the Indian Ocean, east of East Africa and Madagascar); Mauritius (the main island of the country of Mauritius); a male given name, Maurice, equivalent to English Morris
Mausolus (a ruler of Caria and satrap of the Achaemenid Empire, famous for being buried in the Mausoleum, one of the Seven Wonders of the Ancient World)
Mayenne (a department of Pays de la Loire, France); Mayenne (a right tributary of the Loire, in northwestern France, flowing through the departments of Orne, Mayenne and Maine-et-Loire)
Mayotte (an archipelago, overseas department, and administrative region of France, formerly an overseas territorial collectivity, located between Africa's mainland and Madagascar)