Sowno was formerly part of the German Empire. In the German Empire, the place was called Zowen.
The place is now called Sowno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zowen | German Empire | Regenwalde | 1939 |
| Sowno | Under Polish administration | Łobez | 1945 |
| Sowno | Poland | Szczecin | 1992 |