Bledowo was formerly part of the German Empire. In the German Empire, the place was called Blendowo.
The place is now called Błędowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bledowo | Russian Empire | Plonsk | 1914 |
| Błędowo | Poland | Płońsk | 1919 |
| Blendowo | German Empire | Plöhnen | 1939 |
| Błędowo | Poland | Nowy Dwór Mazowiecki | 1945 |
| Błędowo | Poland | Warszawa | 1992 |