| Town Name | Type | Region | Province / State | County | Municipality | Population | Latitude | Longitude | |
|---|---|---|---|---|---|---|---|---|---|
| Cáseda | village | 1008 | 42.524292 | -1.367490 | Map | ||||
| Casetas | town | 7298 | 41.718960 | -1.027448 | Map | ||||
| Casinos | village | Valencia | 2593 | 39.701588 | -0.709317 | Map | |||
| Caspe | town | 8000 | 41.236671 | -0.039573 | Map | ||||
| Cassà de la Selva | village | 8892 | 41.886627 | 2.873752 | Map | ||||
| Casserres | village | 1306 | 42.013821 | 1.843045 | Map | ||||
| Castalla | town | 10513 | 38.595722 | -0.670262 | Map | ||||
| Castañar de Ibor | village | 1198 | 39.626186 | -5.417022 | Map | ||||
| Castejón de Ebro | town | 4304 | 42.169296 | -1.691222 | Map | ||||
| Castell de Ferro | village | 2586 | 36.724716 | -3.356550 | Map | ||||
| Castellanos de Moriscos | village | 1236 | 41.018497 | -5.590200 | Map | ||||
| Castellar | village | Andalucía | Jaén | 3593 | 38.251698 | -3.131486 | Map | ||
| Castellar de Santiago | village | Castilla-La Mancha | Ciudad Real | 2223 | 38.539162 | -3.275511 | Map | ||
| Castellar del Vallès | town | 19159 | 41.613811 | 2.087596 | Map | ||||
| Castellar nuevo de la Frontera | village | Andalucía | Cádiz | 3175 | 36.287346 | -5.416606 | Map | ||
| Castellbisbal | town | 7950 | 41.476498 | 1.982782 | Map | ||||
| Castelldans | village | 1009 | 41.498077 | 0.766339 | Map | ||||
| Castelldefels | town | 62250 | 41.286102 | 1.982417 | Map | ||||
| Castellfollit de la Roca | village | 1048 | 42.219482 | 2.550963 | Map | ||||
| Castellnovo | village | 1071 | 39.862076 | -0.457477 | Map | ||||
| Castelló d'Empúries | village | 4098 | 42.259106 | 3.074642 | Map | ||||
| Castelló de Rugat | village | 2423 | 38.874756 | -0.381816 | Map | ||||
| Castellón de la Plana / Castelló de la Plana | town | 180690 | 39.985996 | -0.037435 | Map | ||||
| Castellserà | village | 1114 | 41.746197 | 0.988582 | Map | ||||
| Castellterçol | village | 2376 | 41.750305 | 2.123079 | Map |