| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Idhomeni | city | Nomos Kilkis | Greece | 41.1194444 | 22.5061111 | 88 | 4797 |
| Idhoméni | city | Nomos Kilkis | Greece | 41.1194444 | 22.5061111 | 88 | 4797 |
| Iliofiton | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliofoto | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliofoton | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliofyton | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliolousto | city | Nomos Kilkis | Greece | 41.0641667 | 22.7338889 | 141 | 3417 |
| Iliolouston | city | Nomos Kilkis | Greece | 41.0641667 | 22.7338889 | 141 | 3417 |
| Iliófiton | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliófoto | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliófoton | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliófyton | city | Nomos Kilkis | Greece | 41.1061111 | 22.7333333 | 475 | 3692 |
| Iliólousto | city | Nomos Kilkis | Greece | 41.0641667 | 22.7338889 | 141 | 3417 |
| Iliólouston | city | Nomos Kilkis | Greece | 41.0641667 | 22.7338889 | 141 | 3417 |
| Irinikon | city | Nomos Kilkis | Greece | 41.1394444 | 22.6686111 | 731 | 5208 |
| Irinikón | city | Nomos Kilkis | Greece | 41.1394444 | 22.6686111 | 731 | 5208 |
| Isvor | city | Nomos Kilkis | Greece | 41.088889 | 22.4922222 | 521 | 4938 |
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