Macquarie Island — Australia
Madeira Islands — Portugal
Madras [US Consulate General] — India
Madrid [US Embassy] — Spain
Magellan, Strait of — Atlantic Ocean
Maghreb — Algeria, Libya, Mauritania, Morocco, — Tunisia
Mahe Island — Seychelles
Maiz, Islas del (Corn Islands) — Nicaragua
Majorca (Mallorca) — Spain
Majuro [US Embassy] — Marshall Islands