| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cys | city | Picardie | France | 49.39 | 3.57 | 232 | 4096 |
| Cys-la-Commune | city | Picardie | France | 49.39 | 3.57 | 232 | 4096 |
| Cysoing | city | Nord-Pas-de-Calais | France | 50.57 | 3.22 | 111 | 29578 |
| Cysta Buda | city | Marijampole | Lithuania | 54.68 | 23.42 | 265 | 1788 |
| Cystapolis | city | Kedainiai | Lithuania | 55.47 | 23.67 | 387 | 1606 |