Lopienno was formerly part of the German Empire. In the German Empire, the place was called Seegrund.
The place is now called Łopienno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lopienno | German Empire | Wongrowitz | before the Versailles Treaty |
| Łopienno | Poland | Wągrowiec | after the Versailles Treaty |
| Lopienno | German Empire | Eichenbrück | 1939 |
| Seegrund | German Empire | Eichenbrück | 1939 |
| Łopienno | Poland | Gniezno | 1945 |
| Łopienno | Poland | Poznań | 1992 |