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