Zduny was formerly part of the German Empire. In the German Empire, the place was called Fleißacker.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zduny | Russian Empire | Rypin | 1914 |
| Firany | Russian Empire | Rypin | 1914 |
| NN | Russian Empire | Rypin | 1914 |
| Zduny | Poland | Rypin | after the Versailles Treaty |
| Firany | Poland | Rypin | after the Versailles Treaty |
| NN | Poland | Rypin | after the Versailles Treaty |
| Fleißacker | German Empire | Rippin (Westpr.) | 1939 |
| Zduny | Poland | Rypin | 1945 |
| Firany | Poland | Rypin | 1945 |
| Nicpoń | Poland | Rypin | 1945 |
| Zduny | Poland | Toruń | 1992 |
| Firany | Poland | Toruń | 1992 |
| NN | Poland | Toruń | 1992 |