Kotzuren was formerly part of the German Empire. In the German Empire, the place was called Birkental.
The place is now called Kocury and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kotzuren | German Empire | Guttentag | 1936 |
| Birkental | German Empire | Guttentag | 1939 |
| Kocury | Under Polish administration | Lubliniec | 1945 |
| Kocury | Poland | Częstochowa | 1992 |