Marshall Islands:
Oceania, group of atolls and reefs in the North
Pacific Ocean, about one-half of the way from Hawaii to Papua New
Guinea

Martinique:
Caribbean, island in the Caribbean Sea, north of
Trinidad and Tobago

Mauritania:
Northern Africa, bordering the North Atlantic Ocean,
between Senegal and Western Sahara

Mauritius:
Southern Africa, island in the Indian Ocean, east of
Madagascar

Mayotte:
Southern Africa, island in the Mozambique Channel, about
one-half of the way from northern Madagascar to northern Mozambique

Mexico:
Middle America, bordering the Caribbean Sea and the Gulf of
Mexico, between Belize and the US and bordering the North Pacific
Ocean, between Guatemala and the US

Micronesia, Federated States of:
Oceania, island group in the North
Pacific Ocean, about three-quarters of the way from Hawaii to
Indonesia

Midway Islands:
Oceania, atoll in the North Pacific Ocean, about
one-third of the way from Honolulu to Tokyo

Moldova:
Eastern Europe, northeast of Romania

Monaco:
Western Europe, bordering the Mediterranean Sea on the
southern coast of France, near the border with Italy