| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Сяскилахти | city | Lappi | Finland | 66.07 | 27.15 | 830 | 0 |
| Сястронкі | city | Vitebskaya Oblast' | Belarus | 55.67 | 28.83 | 830 | 54 |
| Сястрэнцы | city | Vitebskaya Oblast' | Belarus | 55.51 | 26.61 | 830 | 2057 |
| Сяськелево | city | Leningradskaya Oblast' | Russia | 59.55 | 29.85 | 830 | 150 |
| Сясьстрой | city | Leningradskaya Oblast' | Russia | 60.14 | 32.57 | 62 | 0 |