Hartmannsdorf was formerly part of the German Empire. In the German Empire, the place was called Hartmannsdorf.
The place is now called Jaczków and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Hartmannsdorf | German Empire | Landeshut i. Schles. | 1939 |
| Jaczków | Under Polish administration | Kamienna Góra | 1945 |
| Jaczków | Poland | Wałbrzych | 1992 |