| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sióagárd | city | Tolna | Hungary | 46.39 | 18.65 | 298 | 12217 |
| Siódmak | city | Warminsko-Mazurskie | Poland | 53.53 | 20.97 | 830 | 26561 |
| Siófok-Kiliti Airport | airport | 46.86 | 18.10 | 417 | 0 | ||
| Siójut | city | Somogy | Hungary | 46.88 | 18.14 | 830 | 13108 |
| Siómaros | city | Somogy | Hungary | 46.89 | 18.14 | 830 | 12935 |
| Sióni | city | Ipeiros | Greece | 39.39 | 21.02 | 1669 | 1603 |
| Siós | city | Galicia | Spain | 42.50 | -7.60 | 902 | 4307 |