O
Oasi
Xanthi Regional Unit, Eastern Macedonia and Thrace
Ochyro
Drama Regional Unit, Eastern Macedonia and Thrace
Odigitria
Serres Regional Unit, Central Macedonia
Ofrynio
Kavala Regional Unit, Eastern Macedonia and Thrace
Ofrynio Beach
Kavala Regional Unit, Eastern Macedonia and Thrace
Oinousa
Serres Regional Unit, Central Macedonia
Olvio
Xanthi Regional Unit, Eastern Macedonia and Thrace
Olympiada
Chalkidiki Regional Unit, Central Macedonia
Olympiaki Akti (Beach)
Pieria Regional Unit, Central Macedonia
Olynthos
Chalkidiki Regional Unit, Central Macedonia
Omalo
Kilkis Regional Unit, Central Macedonia
Omiriko
Rodopi Regional Unit, Eastern Macedonia and Thrace
Oreini
Serres Regional Unit, Central Macedonia
Oreskeia
Serres Regional Unit, Central Macedonia
Orestiada
Evros Regional Unit, Eastern Macedonia and Thrace
Orestini
Xanthi Regional Unit, Eastern Macedonia and Thrace
Orfani
Kavala Regional Unit, Eastern Macedonia and Thrace
Orfano
Xanthi Regional Unit, Eastern Macedonia and Thrace
Organi
Rodopi Regional Unit, Eastern Macedonia and Thrace
Orma
Pella Regional Unit, Central Macedonia
Ormenio
Evros Regional Unit, Eastern Macedonia and Thrace
Ormos Panagias
Chalkidiki Regional Unit, Central Macedonia
Ormos Prinou
Thasos Regional Unit, Eastern Macedonia and Thrace
Ormylia
Chalkidiki Regional Unit, Central Macedonia
Oropedio
Drama Regional Unit, Eastern Macedonia and Thrace
Ossa
Thessaloniki Regional Unit, Central Macedonia
Ouranoupoli
Chalkidiki Regional Unit, Central Macedonia