| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Siercislaŭ | city | Mogilevskaya Oblast' | Belarus | 54.20 | 30.71 | 830 | 1877 |
| Sierck | city | Lorraine | France | 49.44 | 6.36 | 830 | 7649 |
| Sierck-les-Bains | city | Lorraine | France | 49.44 | 6.36 | 830 | 7649 |
| Siercz | city | Lubuskie | Poland | 52.42 | 15.75 | 187 | 3079 |
| Siercza | city | Malopolskie | Poland | 49.97 | 20.05 | 1151 | 67045 |
| Sierczynek | city | Lubuskie | Poland | 52.40 | 15.77 | 200 | 3099 |