This country has 7 unverified place names.
| Dolnośląskie | 78 |
| Kujawsko-Pomorskie | 56 |
| Lubelskie | 53 |
| Lubuskie | 37 |
| Mazowieckie | 100 |
| Małopolskie | 82 |
| Opolskie | 33 |
| Podkarpackie | 59 |
| Podlaskie | 30 |
| Pomorskie | 48 |
| Śląskie | 115 |
| Świętokrzyskie | 25 |
| Unknown | 6 |
| Warmińsko-Mazurskie | 46 |
| Wielkopolskie | 86 |
| Zachodniopomorskie | 48 |
| Łódzkie | 49 |