Grünbruch was formerly part of the German Empire. In the German Empire, the place was called Grünbruch.
The place is now called Lubiewo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lubjewen | German Empire | Sensburg | 1938 |
| Grünbruch | German Empire | Sensburg | 1939 |
| Lubiewo | Under Polish administration | Mrągowo | 1945 |
| Lubiewo | Poland | Suwałki | 1992 |