Gężyn was formerly part of the German Empire. In the German Empire, the place was called Genzyn.
The place is now called Gężyn and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Gężyn | Russian Empire | Bendin | 1914 |
| Gężyn | Poland | Będzin | 1919 |
| Genzyn | German Empire | Zawiercie/Warthenau | 1939 |
| Gężyn | Poland | Zawiercie | 1945 |
| Gężyn | Poland | Częstochowa | 1992 |