Sdeden was formerly part of the German Empire. In the German Empire, the place was called Stettenbach.
The place is now called Zdedy and belongs to Under Polish administration.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sdeden | German Empire | Lyck | 1938 |
| Stettenbach | German Empire | Lyck | 1939 |
| Zdedy | Under Polish administration | Ełk | 1945 |
| Zdedy | Under Polish administration | Suwałki | 1945 |