Hasenberg was formerly part of the German Empire. In the German Empire, the place was called Hasenberg.
The place is now called Zajączkowo (Gdańsk-Zajączkowo) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Hasenberg | German Empire | Danziger Höhe | before the Versailles Treaty |
| Hasenberg | Poland | Kartuzy | after the Versailles Treaty |
| Hasenberg | German Empire | Karthaus (Westpr.) | 1939 |
| NN | Poland | Kartuzy | 1945 |
| Zajączkowo (Gdańsk-Zajączkowo) | Poland | Gdańsk | 1992 |