| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Hagios Georgios Keratsiniou | city | Attiki | Greece | 37.96 | 23.62 | 101 | 529899 |
| Hagios Nicolaos | city | Attiki | Greece | 36.23 | 23.08 | 0 | 473 |
| Harvalo | city | Attiki | Greece | 37.76 | 24.00 | 830 | 11231 |
| Hasani | city | Attiki | Greece | 37.90 | 23.76 | 830 | 482719 |
| Holargos | city | Attiki | Greece | 38.00 | 23.80 | 872 | 720049 |
| Hydra | city | Attiki | Greece | 37.35 | 23.47 | 85 | 1850 |