Piastow was formerly part of the German Empire. In the German Empire, the place was called Piastow.
The place is now called Piastów and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Piastow | Russian Empire | Prasnyš | 1914 |
Piastów | Poland | Przasnysz | 1919 |
Piastow | German Empire | Praschnitz | 1939 |
Piastowo | Poland | Przasnysz | 1945 |
Piastów | Poland | Ostrołęka | 1992 |