Błędowo was formerly part of the German Empire. In the German Empire, the place was called Duneiken (Kreis Goldap) *.
The place is now called Błędowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Groß Blandau | German Empire | Goldap | 1938 |
| Duneiken (Kreis Goldap) * | German Empire | Goldap | 1939 |
| Błędowo | Under Polish administration | Gołdap | 1945 |
| Błędowo | Poland | Suwałki | 1992 |