Xiondslas was formerly part of the German Empire. In the German Empire, the place was called Herzogshain.
The place is now called Księży Las and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Xiondslas | German Empire | Tost-Gleiwitz | 1935 |
| Herzogshain | German Empire | Tost-Gleiwitz | 1939 |
| Księży Las | Under Polish administration | Gliwice | 1945 |
| Księży Las | Poland | Katowice | 1992 |