| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Κύθηρα | city | Attiki | Greece | 36.15 | 22.99 | 3 | 598 |
| Κύθνος | city | Notio Aigaio | Greece | 37.42 | 24.43 | 830 | 1013 |
| Κύκνος | city | Anatoliki Makedonia kai Thraki | Greece | 41.26 | 24.87 | 2004 | 3017 |
| Κύμη | city | Anatoliki Makedonia kai Thraki | Greece | 41.30 | 25.67 | 2509 | 1754 |
| Κύμη | city | Sterea Ellada | Greece | 38.64 | 24.10 | 830 | 3692 |
| Κύμινα | city | Kentriki Makedonia | Greece | 40.61 | 22.69 | 13 | 12270 |
| Κύρια | city | Anatoliki Makedonia kai Thraki | Greece | 41.10 | 24.29 | 830 | 7314 |
| Κύριζα | city | Attiki | Greece | 37.90 | 23.49 | 0 | 17121 |
| Κύρνος | city | Anatoliki Makedonia kai Thraki | Greece | 40.99 | 24.78 | 45 | 4673 |