- Macao (Makau)
- Madagascar
- Madeira
- Madras
- Madrid
- Mogadishu
- Maine
- Mainz
- Makouria
- Malabar
- Malacca
- Malatitze
- Malay Penninsula
- Malindi
- Malmo
- Malta
- Malwa
- Manchester (England)
- Manchuria
- Manipur
- Mannheim
- Manzikert
- Maragha
- Marseille
- Martinique
- Maryland
- Masina
- Masqat
- Massawa
- Masulipatam
- Matagorda Bay
- Matamba
- Matamoros
- Mataram
- Mazatlán
- Mecca
- Medina
- Mediterranean Sea
- Melbourne
- Mende
- Merca
- Mercia
- Merida
- Merv
- Mesopotamia
- Metz
- Mexico City
- Michigan Territory
- Michoacán
- Mier
- Milan
- Mimana
- Minerve
- Minorca
- Minsk
- Mississippi
- Mississippi River
- Missouri
- Missouri River
- Mixquic
- Mogadishu
- Mogilev
- Moldavia
- Mollwitz
- Mombasa
- Monastir
- Montauban
- Monterey (California)
- Monterrey (Mexico)
- Montpellier
- Montreal
- Moravia
- Morea
- Moravia
- Morea
- Morelos
- Moscow
- Mossi
- Moundville
- Mount Everest
- Mukden
- Munich
- Murray River
- Musi-o-tunya
- Mutapa
- Mysore