| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Niwna | city | Lodzkie | Poland | 51.81 | 20.26 | 830 | 19244 |
| Niwnaye | city | Minskaya Oblast' | Belarus | 53.71 | 26.51 | 830 | 1937 |
| Niwnica | city | Opolskie | Poland | 50.45 | 17.39 | 830 | 27838 |
| Niwnice | city | Dolnoslaskie | Poland | 51.11 | 15.49 | 977 | 7980 |
| Niwnicy | city | Opolskie | Poland | 50.45 | 17.39 | 830 | 27838 |
| Niwnik | city | Dolnoslaskie | Poland | 50.90 | 17.25 | 830 | 14729 |