| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jasce | city | Mazowieckie | Poland | 51.49 | 21.37 | 830 | 5618 |
| Jaschken | city | Warminsko-Mazurskie | Poland | 54.04 | 22.44 | 830 | 5804 |
| Jaschkowen | city | Warminsko-Mazurskie | Poland | 53.58 | 21.67 | 830 | 2877 |
| Jaschkowitz | city | Opolskie | Poland | 50.57 | 17.82 | 830 | 5224 |