-
4345.
Olzinelles (Catalonia)
Geographic names
Sant Celoni (Catalonia)
-
4346.
Oman
Geographic names
Middle EastArab countriesPays islamiques
-
4347.
Omells de na Gaia (Catalonia)
Geographic names
Urgell (Catalunya : Comarca)
-
4348.
Oña (Castilla y León)
Geographic names
Burgos (Castilla y León : Province)Bureba (Castilla y León)
-
4349.
Oñati (Basque Country)
Geographic names
Guipúzcoa (Basque Country)
-
4350.
Oncala (Castilla y León)
Geographic names
Soria (Castilla y León : Province)
-
4351.
Onda (Valencian Community)
Geographic names
Plana Baixa (Valencian Community)
-
4352.
Ondarroa (Basque Country)
Geographic names
Vizcaya (Basque Country)
-
4353.
Onitsha (Nigeria)
Geographic names
-
4354.
Ontaneda (Cantabria)
Geographic names
Valles Pasiegos (Cantabria)
-
4355.
Ontario
Geographic names
Canada
-
4356.
Ontario (North America : Lake)
Geographic names
Grans Llacs (Amèrica del Nord)
-
4357.
Ontinyent (Valencian Community)
Geographic names
Vall d'Albaida (Valencian Community)
-
4358.
Oppenheim (Germany)
Geographic names
Rhineland-Palatinate (Germany)
-
4359.
Or, Cova de l' (Valencian Community)
Geographic names
Alicante (Valencian Community : Province)
-
4360.
Orà (Algèria)
Geographic names
-
4361.
Oradea (Romania)
Geographic names
Romania
-
4362.
Orasac (Sèrbia)
Geographic names
-
4363.
Orce (Andalusia)
Geographic names
Granada (Andalusia : Province)
-
4364.
Orchomenus (Ancient city)
Geographic names
-
4365.
Ordal (Catalunya : Serra)
Geographic names
Garraf Mountains (Catalonia)
-
4366.
Ordesa (Aragó : Vall)
Geographic names
Aragon Pyrenees (Aragon)
-
4367.
Ordino (Andorra : Parròquia)
Geographic names
Andorra
-
4368.
Ordona (Italy)
Geographic names
Last updated dated: 27/09/2025