Mieduniszki was formerly part of the German Empire. In the German Empire, the place was called Großmedien.
The place is now called Mieduniszki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Groß Medunischken | German Empire | Angerapp | 1914 |
| Medunischken | German Empire | Angerapp | 1938 |
| Großmedien | German Empire | Angerapp | 1939 |
| Mieduniszki | Under Polish administration | Węgorzewo | 1945 |
| Mieduniszki | Poland | Suwałki | 1992 |