| Megaridos Avenue | 19300 | Rest of Attica | Attica |
| Megaridos Street | 19006 | Rest of Attica | Attica |
| Megaron - Alepochoriou Avenue | 19100 | Rest of Attica | Attica |
| Megaron Street | 19012 | Rest of Attica | Attica |
| Megdova Street | 13341 | Rest of Attica | Attica |
| Mela Pavlou Street | 19015 | Rest of Attica | Attica |
| Mela Pavlou Street | 19015 | Rest of Attica | Attica |
| Mela Pavlou Street | 19006 | Rest of Attica | Attica |
| Mela Pavlou Street | 19300 | Rest of Attica | Attica |
| Mela Pavlou Street | 19600 | Rest of Attica | Attica |
| Mela Pavlou Street | 19001 | Rest of Attica | Attica |
| Mela Pavlou Street | 13343 | Rest of Attica | Attica |
| Mela Pavlou Street | 13461 | Rest of Attica | Attica |
| Mela Spyrou Street | 19012 | Rest of Attica | Attica |
| Mela Spyrou Street | 13342 | Rest of Attica | Attica |
| Melampodos Street | 19012 | Rest of Attica | Attica |
| Melidoni Street | 13343 | Rest of Attica | Attica |
| Melissanidi Ioanni Street | 13342 | Rest of Attica | Attica |
| Melissinou M. Street | 13343 | Rest of Attica | Attica |
| Melissinou Theof. Street | 19015 | Rest of Attica | Attica |
| Melounas Elassonos Street | 19006 | Rest of Attica | Attica |
| Memtsia Konstantinou Street | 19015 | Rest of Attica | Attica |
| Menandrou Street | 19006 | Rest of Attica | Attica |
| Menandrou Street | 19600 | Rest of Attica | Attica |
| Menelaou Street | 19100 | Rest of Attica | Attica |
| Menelaou Street | 19600 | Rest of Attica | Attica |
| Menelaou Street | 13344 | Rest of Attica | Attica |
| Menexedon Street | 19015 | Rest of Attica | Attica |
| Menexedon Street | 13343 | Rest of Attica | Attica |
| Menti Ilia Street | 19500 | Rest of Attica | Attica |
| Merkouri I. Street | 19001 | Rest of Attica | Attica |
| Merkouri Melinas Street | 19015 | Rest of Attica | Attica |
| Merkouri Melinas Street | 19011 | Rest of Attica | Attica |
| Merkouri Melinas Street | 19006 | Rest of Attica | Attica |
| Merkouri Street | 19600 | Rest of Attica | Attica |
| Mesimvrias Street | 19100 | Rest of Attica | Attica |
| Mesogeion Street | 13341 | Rest of Attica | Attica |
| Mesolongiou 1 Street | 19200 | Rest of Attica | Attica |
| Mesolongiou 2 Street | 19200 | Rest of Attica | Attica |
| Mesolongiou Street | 19008 | Rest of Attica | Attica |