| Code | Name | Region |
|---|---|---|
| GRMOS | Moschaton | 41 |
| GRMKT | Moskhaton | A1 |
| GRMDR | Moudhros | |
| GRMRA | Mouriai | |
| GRMOU | Moutsouna | |
| GRJMK | Mykonos | 82 |
| GRMYL | Mylaki | |
| GRMRS | Myrties Kalymnou | L |
| GRMYB | Myrtos Beach | 23 |
| GRMJT | Mytilene | |
| GRNAF | Nafplion | 11 |
| GRNSA | Naousa | 53 |
| GRNAS | Naoussa Parou | |
| GRNAV | Navarino | |
| GRMTR | Mathraki Diapontioi Island | |
| GRMVR | Mavr | 33 |
| GRMAV | Mavrothalassa | 62 |
| GRMVI | Mavrovouni | B |
| GRMEG | Megalon Livadion | 82 |
| GRMGA | Megalopolis | 12 |
| GRMGN | Meganisi | 24 |
| GRMGR | Megara | A1 |
| GRMLA | Melia | 42 |
| GRMKN | Melissokhorion | 54 |
| GRMEN | Menidi | |
| GRMEL | Mesolongion | |
| GRMNI | Messini | 17 |
| GRMHI | Mesta Hiou | |
| GRMMS | Metamorfosis | |
| GRMEA | Methana | A1 |
| GRMET | Methoni | |
| GRMSV | Metsovon | 33 |
| GRMLO | Milos (adamas) | 61 |
| GRMYR | Mirina | |
| GRM8L | Magoula | 42 |
| GRMGL | Magoula | A1 |
| GRMKR | Makriyialos | 92 |
| GRMLK | Malakasa | |
| GRMAL | Malaoi | |
| GRMSA | Malessina | |
| GRGAO | Malia | HK |
| GRMAD | Mandra | A1 |
| GRGAP | Mandra Attikis | A1 |
| GRMNG | Mangana | 72 |
| GRMAN | Manolas | |
| GRMTI | Mantoudion | |
| GRMRT | Marathitis | HK |
| GRMKP | Marathokampos Samou | 84 |
| GRMHO | Marathonas | A1 |
| GRGAQ | Markopoulo | A1 |