| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ídha | city | Kentriki Makedonia | Greece | 41.01 | 22.18 | 1669 | 1937 |
| Ídhra | city | Attiki | Greece | 37.35 | 23.47 | 85 | 1850 |
| Ília | city | Sterea Ellada | Greece | 38.85 | 23.13 | 0 | 1827 |
| Ílis | city | Dytiki Ellada | Greece | 37.88 | 21.38 | 328 | 5842 |
| Ímbros | city | Kriti | Greece | 35.25 | 24.17 | 2509 | 598 |
| Ímera | city | Dytiki Makedonia | Greece | 40.29 | 22.04 | 948 | 1996 |
| Ímvros | city | Kriti | Greece | 35.25 | 24.17 | 2509 | 598 |
| Ínachos | city | Peloponnisos | Greece | 37.66 | 22.75 | 183 | 20377 |
| Íneli | city | Dytiki Makedonia | Greece | 40.54 | 21.75 | 2509 | 8363 |
| Íni | city | Kriti | Greece | 35.09 | 25.28 | 830 | 4689 |
| Ínia | city | Kriti | Greece | 35.08 | 25.05 | 1669 | 3626 |
| Íos | city | Notio Aigaio | Greece | 36.73 | 25.28 | 98 | 1640 |
| Ípaton | city | Sterea Ellada | Greece | 38.39 | 23.39 | 830 | 3993 |
| Ípion | city | Anatoliki Makedonia kai Thraki | Greece | 41.08 | 25.76 | 830 | 1972 |
| Íra | city | Peloponnisos | Greece | 37.65 | 22.76 | 154 | 20548 |
| Íria | city | Peloponnisos | Greece | 37.49 | 23.01 | 52 | 1165 |
| Ísalon | city | Anatoliki Makedonia kai Thraki | Greece | 41.06 | 25.45 | 95 | 12729 |
| Ísari | city | Dytiki Ellada | Greece | 38.10 | 21.69 | 387 | 5437 |
| Ísari | city | Peloponnisos | Greece | 37.36 | 22.01 | 2509 | 1817 |
| Ísoma | city | Kentriki Makedonia | Greece | 40.52 | 23.29 | 1669 | 3127 |
| Ísoma | city | Kentriki Makedonia | Greece | 40.99 | 23.16 | 1824 | 1449 |
| Ísoma Karión | city | Peloponnisos | Greece | 37.43 | 22.05 | 1187 | 2410 |
| Ísoma Karyón | city | Peloponnisos | Greece | 37.43 | 22.05 | 1187 | 2410 |
| Ístro | city | Kriti | Greece | 35.12 | 25.74 | 1082 | 4350 |
| Ísvoron | city | Kentriki Makedonia | Greece | 40.53 | 23.76 | 1158 | 1147 |
| Ísvoron | city | Ipeiros | Greece | 40.16 | 20.73 | 2509 | 833 |
| Ísvoros | city | Kentriki Makedonia | Greece | 40.43 | 22.19 | 830 | 5230 |
| Ítamos | city | Thessalia | Greece | 39.22 | 21.80 | 3595 | 1022 |
| Íxglimbi | city | Dytiki Makedonia | Greece | 40.49 | 21.21 | 2509 | 12388 |