Smolno was formerly part of the German Empire. In the German Empire, the place was called Theerofen.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Theerofen | German Empire | Naugard | 1939 |
| Smolno | Under Polish administration | Nowogard | 1945 |
| NN | Poland | Szczecin | 1992 |