Wądołek was formerly part of the German Empire. In the German Empire, the place was called Wondollen.
The place is now called Wądołek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wondollek, Kol. | German Empire | Johannisburg | 1938 |
| Wondollen | German Empire | Johannisburg | 1939 |
| Wądołek | Under Polish administration | Pisz | 1945 |
| Wądołek | Poland | Suwałki | 1992 |