Junkertroylhof was formerly part of the German Empire. In the German Empire, the place was called Junkertroylhof.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Junkertroylhof | German Empire | Danziger Niederung | before the Versailles Treaty |
| Junkertroylhof | Free City of Danzig | Danziger Niederung | after the Versailles Treaty |
| Junkertroylhof | German Empire | Danzig | 1939 |
| NN | Poland | Nowy Dwór Gdański | 1945 |
| NN | Poland | Elbląg | 1992 |