| City | 2026 Pop. ↓ |
|---|---|
| Athens | 3,134,884 |
| Acharnai | 100,905 |
| Agrinion | 62,932 |
| Alexandroupolis | 60,326 |
| Ano Liosia | 35,811 |
| Aspropyrgos | 31,960 |
| Aigion | 26,337 |
| Artemida | 22,142 |
| Arta | 21,751 |
| Argos | 21,102 |
| Amalias | 16,882 |
| Alexandreia | 15,154 |
| Agios Nikolaos | 12,532 |
| Agios Stefanos | 10,805 |
| Argostoli | 10,308 |