Smolnica was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Smolnica and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Smolnica | German Empire | Samter | before the Versailles Treaty |
| Smolnica | Poland | Szamotuły | after the Versailles Treaty |
| NN | German Empire | Samter | 1939 |
| Smolnica | Poland | Szamotuły | 1945 |
| Smolnica | Poland | Piła | 1992 |