| Country | Location |
| Luxembourg | Western Europe, between France and Germany |
| Macau | Eastern Asia, bordering the South China Sea and China |
| Macedonia | Southeastern Europe, north of Greece |
| Madagascar | Southern Africa, island in the Indian Ocean, east of Mozambique |
| Malawi | Southern Africa, east of Zambia, west and north of Mozambique |
| Malaysia | Southeastern Asia, peninsula bordering Thailand and northern one-third of the island of Borneo, bordering Indonesia, Brunei, and the South China Sea, south of Vietnam |
| Maldives | Southern Asia, group of atolls in the Indian Ocean, south-southwest of India |
| Mali | interior Western Africa, southwest of Algeria, north of Guinea, Cote d'Ivoire, and Burkina Faso, west of Niger |
| Malta | Southern Europe, islands in the Mediterranean Sea, south of Sicily (Italy) |
| Marshall Islands | Oceania, two archipelagic island chains of 29 atolls, each made up of many small islets, and five single islands in the North Pacific Ocean, about half way between Hawaii and Australia |
| Mauritania | Western Africa, bordering the North Atlantic Ocean, between Senegal and Western Sahara |