Sowisna was formerly part of the German Empire. In the German Empire, the place was called Eichelhof.
The place is now called Sowizna and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sowisna | German Empire | Kreuzburg O.S. | 1936 |
| Eichelhof | German Empire | Kreuzburg O.S. | 1939 |
| Zawisna | Under Polish administration | Kluczbork | 1945 |
| Sowizna | Poland | Opole | 1992 |