 | Olympian Bay Hotel Central and North Greece | 4.0 star rating | 268 | Pieria |
 | Olympic Hotel Central and North Greece | 3.0 star rating | 11 | Delphi-Sterea |
 | Olympic Star Hotel Central and North Greece | 3.0 star rating | 219 | Evia |
 | Olympic Star Beach Hotel Central and North Greece | 4.0 star rating | 33 | Neoi Poroi |
 | Olympios Zeus Hotel Central and North Greece | 3.0 star rating | 100 | Pieria |
 | Olympus Mediterranean Hotel Central and North Greece | 4.0 star rating | 23 | Litochoro |
 | Olympus Thalassa Boutique Hotel Central and North Greece | 3.0 star rating | 20 | Pieria |
 | Oniropetra Boutique Hotel Central and North Greece | 1 Star | 14 | Karpenisi |
| Oreades Hotel Central and North Greece | 3.0 star rating | 13 | Elati |
| Oreiades Hotel Central and North Greece | 3 Keys | 8 | Limni Plastira |
 | Orfeas Hotel Central and North Greece | 3.0 star rating | 103 | Kalambaka-Meteora |
| Orfeas Hotel Central and North Greece | 2.0 star rating | 15 | Delphi-Sterea |
| Oriades Hotel Central and North Greece | Guest House | 5 | Pelion-Volos |
 | Orizontas Residences Hotel Central and North Greece | 3.0 star rating | 10 | Preveza |
 | Orizontes Tzoumerkon Hotel Central and North Greece | Pending Category | 12 | Ioannina |
 | Orologopouols Luxury Mansion Hotel Central and North Greece | 5.0 star rating | 9 | Kastoria |
 | Orpheus Hotel Central and North Greece | 3.0 star rating | 78 | Komotini |
 | Ouzas Hotel Central and North Greece | 2.0 star rating | 12 | Katerini |
| Palatino Hotel Central and North Greece | 3.0 star rating | 21 | Parga |
 | Palatino Rooms Hotel Central and North Greece | 3 Keys | 15 | Edipsos |
| Palatino Studios Hotel Central and North Greece | 3 Keys | 1 | Edipsos |
 | Paleros Resort Central and North Greece | 3.0 star rating | | Paleros |
 | Palio Eleotrivio Hotel Central and North Greece | 3.0 star rating | 7 | Pelion-Volos |
 | Paliria Hotel Central and North Greece | 3.0 star rating | 97 | Halkida |
 | Palladion Hotel Central and North Greece | 4.0 star rating | 125 | Ioannina |
 | Palmariva Beach Bomo Club Hotel Central and North Greece | 4.0 star rating | 274 | Evia |
 | Pan Hotel Central and North Greece | 2.0 star rating | 20 | Delphi-Sterea |
 | Panorama Studios and Apartments Hotel Central and North Greece | 2 Keys | | Pelion-Volos |
 | Papa Nero Studios and Apartments Hotel Central and North Greece | 2 Keys | | Pelion-Volos |
 | Parga Beach Hotel Central and North Greece | 4.0 star rating | 80 | Parga |
 | Park Hotel Central and North Greece | 4.0 star rating | 112 | Pelion-Volos |
 | Park Hotel Central and North Greece | 2.0 star rating | 50 | Alexandroupolis |
 | Parnassos Delphi Hotel Central and North Greece | 3.0 star rating | 30 | Delphi-Sterea |
 | Parthenon Art Hotel Central and North Greece | 3.0 star rating | 26 | Katerini |
| Patriko Hotel Central and North Greece | 4 Keys | | Pelion-Volos |
| Pegasos Hotel Central and North Greece | 3.0 star rating | 20 | Pelion-Volos |
| Pelagos Hotel Central and North Greece | 4.0 star rating | 115 | Halkida |
| Pelion Resort Central and North Greece | 4.0 star rating | 36 | Pelion-Volos |
 | Petit Village Hotel Central and North Greece | 2.0 star rating | 55 | Evia |
| Pharos Rooms Hotel Central and North Greece | 2 Keys | | Edipsos |
 | Philippos Hotel Central and North Greece | 3.0 star rating | 52 | Livadia |
| Philippos Xenia Hotel Central and North Greece | 4.0 star rating | 57 | Serres |
 | Philoxenia Hotel Central and North Greece | 4.0 star rating | 33 | Halkida |
 | Pierion Musses Hotel Central and North Greece | 3.0 star rating | 26 | Elatochori |
 | Pilio Holliday Club Hotel Central and North Greece | 4.0 star rating | 79 | Pelion-Volos |
 | Pindos Palace Hotel Central and North Greece | 3.0 star rating | 40 | Grevena |
 | Pirrion Boutique Hotel sweet hospitality Central and North Greece | 4.0 star rating | 10 | Zagorochoria |
 | Platon Beach Hotel Central and North Greece | 2.0 star rating | 47 | Katerini |
 | Plaza Hotel Central and North Greece | 2.0 star rating | 25 | Alexandroupolis |
| Pliades Hotel Central and North Greece | 3.0 star rating | 13 | Palaios Panteleimonas |