NN was formerly part of the German Empire. In the German Empire, the place was called Willenberg.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Willenberg | German Empire | Stuhm | before the Versailles Treaty |
| Willenberg | German Empire | Stuhm | after the Versailles Treaty |
| Willenberg | German Empire | Marienburg | 1939 |
| Willenberg | German Empire | Marienburg (Westpr.) | 1939 |
| NN | Under Polish administration | Malbork | 1945 |
| NN | Poland | Elbląg | 1992 |