Goldenau was formerly part of the German Empire. In the German Empire, the place was called Goldenau.
The place is now called Kopijki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Goldenau | German Empire | Lyck | 1939 |
| Kopijki | Under Polish administration | Ełk | 1945 |
| Kopijki | Poland | Suwałki | 1992 |