Ruda was formerly part of the German Empire. In the German Empire, the place was called Eisenwerk.
The place is now called Ruda and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ruhden | German Empire | Lötzen | 1938 |
| Eisenwerk | German Empire | Lötzen | 1939 |
| Ruda | Under Polish administration | Giżycko | 1945 |
| Ruda | Poland | Suwałki | 1992 |