NN was formerly part of the German Empire. In the German Empire, the place was called Kochstedt (Danzig-Kochstedt).
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kochstedt | German Empire | Danziger Höhe | before the Versailles Treaty |
| Kochstedt | Free City of Danzig | Danziger Höhe | after the Versailles Treaty |
| Kochstedt (Danzig-Kochstedt) | German Empire | Danzig (St.Kr.) | 1939 |
| NN | Poland | Pruszcz Gdański | 1945 |
| NN | Poland | Gdańsk | 1992 |