Sadlno was formerly part of the German Empire. In the German Empire, the place was called Zedlin.
The place is now called Sadlno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zedlin | German Empire | Greifenberg i.Pom. | 1939 |
| Sadlno | Under Polish administration | Gryfice | 1945 |
| Sadlno | Poland | Szczecin | 1992 |