Kierzno was formerly part of the German Empire. In the German Empire, the place was called Herrmannsdorf.
The place is now called Kierzno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Herrmannsdorf | German Empire | Bunzlau | 1939 |
| Kierzno | Under Polish administration | Bolesławiec | 1945 |
| Kierzno | Poland | Jelenia Góra | 1992 |