Żalno was formerly part of the German Empire. In the German Empire, the place was called Seelen, Kr. Tuchel.
The place is now called Nowe Żalno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sehlen | German Empire | Tuchel | before the Versailles Treaty |
| Żalno | Poland | Tuchola | after the Versailles Treaty |
| Seelen, Kr. Tuchel | German Empire | Tuchel | 1939 |
| Żalno | Poland | Tuchola | 1945 |
| Nowe Żalno | Poland | Tuchola | 1945 |
| Żalno | Poland | Bydgoszcz | 1992 |
| Nowe Żalno | Poland | Bydgoszcz | 1992 |