Błażejów was formerly part of the German Empire. In the German Empire, the place was called Tannengrund.
The place is now called Błażejów and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Blasdorf b. Schömberg | German Empire | Landeshut i. Schles. | 1935 |
| Tannengrund | German Empire | Landeshut i. Schles. | 1939 |
| Błażejów | Under Polish administration | Kamienna Góra | 1945 |
| Błażejów | Poland | Jelenia Góra | 1992 |