Mały Rudnik was formerly part of the German Empire. In the German Empire, the place was called Adamsdorf, Kr. Graudenz.
The place is now called Mały Rudnik and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Adamsdorf | German Empire | Graudenz | before the Versailles Treaty |
| Mały Rudnik | Poland | Grudziądz | after the Versailles Treaty |
| Adamsdorf, Kr. Graudenz | German Empire | Graudenz | 1939 |
| Mały Rudnik | Poland | Grudziądz | 1945 |
| Mały Rudnik | Poland | Toruń | 1992 |