| Town Name | Type | Region | Province / State | County | Municipality | Population | Latitude | Longitude | |
|---|---|---|---|---|---|---|---|---|---|
| Santisteban del Puerto | village | Andalucía | Jaén | 4837 | 38.247822 | -3.206324 | Map | ||
| Santo Domingo de la Calzada | town | 6737 | 42.440670 | -2.953639 | Map | ||||
| Santo Tomé | village | 2377 | 38.027378 | -3.099933 | Map | ||||
| Santomera | town | 13184 | 38.061584 | -1.049094 | Map | ||||
| Santoña | town | Cantabria | Cantabria | 11271 | 43.444935 | -3.455363 | Map | ||
| Santovenia de Pisuerga | village | 3845 | 41.693649 | -4.689599 | Map | ||||
| Santpedor | village | 6585 | 41.784760 | 1.838688 | Map | ||||
| Santurtzi | town | 46769 | 43.328724 | -3.032026 | Map | ||||
| Santuyano | town | 1007 | 43.221813 | -5.782971 | Map | ||||
| Sanxenxo | town | 2358 | 42.399456 | -8.806788 | Map | ||||
| Sariñena | village | 3587 | 41.793396 | -0.157413 | Map | ||||
| Sarral | village | 1650 | 41.445377 | 1.246943 | Map | ||||
| Sarria | town | 13400 | 42.777496 | -7.413872 | Map | ||||
| Sarrià de Ter | village | 4596 | 42.014191 | 2.817598 | Map | ||||
| Sarrión | village | 1114 | 40.140648 | -0.815303 | Map | ||||
| Sartaguda | village | 1398 | 42.383018 | -2.057860 | Map | ||||
| Sástago | village | 1260 | 41.323368 | -0.345574 | Map | ||||
| Sax | town | 10088 | 38.535030 | -0.818913 | Map | ||||
| Sayalonga | village | 1321 | 36.798286 | -4.013585 | Map | ||||
| Sedaví | town | 10186 | 39.424713 | -0.383458 | Map | ||||
| Segorbe | town | 9267 | 39.851902 | -0.489554 | Map | ||||
| Segovia | city | Castilla y León | 56047 | 40.950214 | -4.124149 | Map | |||
| Segur de Calafell | town | 11765 | 41.198196 | 1.606512 | Map | ||||
| Segura | village | Euskadi | Gipuzkoa | 1225 | 43.009087 | -2.252792 | Map | ||
| Segura de León | village | Extremadura | Badajoz | 2170 | 38.119934 | -6.529016 | Map |