Kaczor was formerly part of the German Empire. In the German Empire, the place was called Otterwiese.
The place is now called Kaczor and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Katzur | German Empire | Oels | 1937 |
| Otterwiese | German Empire | Oels | 1939 |
| Kaczor | Under Polish administration | Oleśnica | 1945 |
| Kaczor | Poland | Wrocław | 1992 |