Schmollin was formerly part of the German Empire. In the German Empire, the place was called Schmolln, Kr. Neustadt (Westpr.).
The place is now called Smolno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schmollin | German Empire | Putzig | before the Versailles Treaty |
| Smolno | Poland | Puck | after the Versailles Treaty |
| Schmolln, Kr. Neustadt (Westpr.) | German Empire | Neustadt (Westpr.) | 1939 |
| Smolno | Poland | Puck | 1945 |
| Smolno | Poland | Gdańsk | 1992 |