| Port Code | Port Name | Country |
| GRMDR | Moúdhros | Greece |
| GRMEG | Megálon Livádion | Greece |
| GRMEL | Mesolóngion | Greece |
| GRMEN | Menidi | Greece |
| GRMES | Messogia | Greece |
| GRMET | Methoni | Greece |
| GRMGN | Meganísi | Greece |
| GRMGR | Mégara | Greece |
| GRMHI | Mesta Hiou | Greece |
| GRMIS | Missimi | Greece |
| GRMJT | Mytilene | Greece |
| GRMLA | Melía | Greece |
| GRMLO | Milos | Greece |
| GRMMS | Metamorfosis | Greece |
| GRMNI | Messíni | Greece |
| GRMON | Monemvasía | Greece |
| GRMOS | Moschaton | Greece |
| GRMOU | Moutsoúna | Greece |
| GRMRM | Marmari | Greece |
| GRMSV | Métsovon | Greece |
| GRMYL | Mylaki | Greece |
| GRMYR | Mírina | Greece |
| GRNAF | Náfplion | Greece |
| GRNAI | Iráklion | Greece |
| GRNAL | Néa Alikarnassós | Greece |
| GRNAV | Navarino | Greece |
| GRNEA | Neapolis | Greece |
| GRNID | Nidhríon | Greece |
| GRNIK | Nikaia | Greece |
| GRNIS | Nisiros | Greece |
| GRNKA | Néa Kallikrátia | Greece |
| GRNKL | Neohorion Kyllinis | Greece |
| GRNKS | Néa Kíos | Greece |
| GRNKV | Néa Karváli | Greece |
| GRNMA | Néa Moudhaniá | Greece |
| GRNME | Neméa | Greece |
| GRNPA | Néa Pélla | Greece |
| GRNPK | Návpaktos | Greece |
| GRNPY | Néa Pláyia | Greece |
| GRNSA | Náousa | Greece |
| GRNST | Néa Stíra | Greece |
| GRORA | Oraiókastron | Greece |
| GRORC | Orchomenós | Greece |
| GRORE | Orei | Greece |
| GRORM | Ormília | Greece |
| GRORO | Oropos | Greece |
| GRORS | Orestiás | Greece |
| GROUR | Ouranópolis | Greece |
| GRPAA | Palaiá Psará | Greece |
| GRPAI | Paianía | Greece |
| GRPAL | Palaión Fáliron | Greece |
| GRPAN | Panoi | Greece |
| GRPAO | Paloúkia | Greece |
| GRPAR | Párga | Greece |
| GRPAS | Páros | Greece |
| GRPAT | Panetolion | Greece |
| GRPAX | Paxi | Greece |
| GRPEP | Palaiá Epídavros | Greece |
| GRPER | Perama | Greece |
| GRPHE | Porto Heli | Greece |
| GRPIK | Pikérmion | Greece |
| GRPIR | Piraeus | Greece |
| GRPKE | Poros Kefallinias | Greece |
| GRPKH | Portochélion | Greece |
| GRPLA | Pilea (Pylaía) | Greece |
| GRPLI | Pyli | Greece |
| GRPLT | Plati | Greece |
| GRPMS | Pátmos | Greece |
| GRPOL | Polygyros | Greece |
| GRPPG | Pallíni | Greece |
| GRPRA | Pórto Ráfti (Limín Mesoyaías) | Greece |
| GRPRI | Peristeri | Greece |
| GRPRT | Protória | Greece |
| GRPSA | Psakhná | Greece |
| GRPSF | Paleohora Sfakion | Greece |
| GRPTK | Politiká | Greece |
| GRPTL | Porto Lagos | Greece |
| GRPTN | Plátanos | Greece |
| GRPTR | Poros Trizinias | Greece |
| GRPVK | Preveza/Lefkas | Greece |
| GRPYL | Pýlos | Greece |
| GRPYR | Pyrgos | Greece |
| GRPYT | Pythagóreion | Greece |
| GRQKG | Chalkis | Greece |
| GRRAF | Rafina | Greece |
| GRREN | Rentis | Greece |
| GRRET | Réthymnon | Greece |
| GRREV | Revithoussa | Greece |
| GRRHO | Rhodes | Greece |
| GRRIO | Rio | Greece |
| GRRTS | Ritsóna | Greece |
| GRSAI | Sámi | Greece |
| GRSAL | Salamís | Greece |
| GRSAM | Samothráki | Greece |
| GRSAP | Stavros Agias Paraskevis | Greece |
| GRSDH | Soúda | Greece |
| GRSDS | Sindhos | Greece |
| GRSER | Sériphos | Greece |
| GRSGB | St George | Greece |
| GRSHA | Stavros Halkidikis | Greece |