Kołaczów was formerly part of the German Empire. In the German Empire, the place was called Prauß.
The place is now called Kołaczów and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Prauß | German Empire | Reichenbach (Eulengebirge) | 1939 |
| Kołaczów | Under Polish administration | Dzierżoniów | 1945 |
| Kołaczów | Poland | Wałbrzych | 1992 |