Kempnio, Fh. was formerly part of the German Empire. In the German Empire, the place was called Seehof, Fh..
The place is now called Kępno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kempnio, Fh. | German Empire | Lyck | 1930 |
| Seehof, Fh. | German Empire | Lyck | 1939 |
| Kępno | Under Polish administration | Ełk | 1945 |
| Kępno | Poland | Suwałki | 1992 |