Mirsk was formerly part of the German Empire. In the German Empire, the place was called Friedeberg (Isergeb.).
The place is now called Mirsk and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Friedeberg a. Queis | German Empire | Löwenberg i. Schles. | 1934 |
| Friedeberg (Isergeb.) | German Empire | Löwenberg i. Schles. | 1939 |
| Mirsk | Under Polish administration | Lwówek Śląski | 1945 |
| Mirsk | Poland | Jelenia Góra | 1992 |