Kozia Gora Nowa was formerly part of the German Empire. In the German Empire, the place was called Kozia Góra.
The place is now called Kozia Góra Stara and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kozia Gora Nowa | Russian Empire | Kutno | 1914 |
| Kozia Gora Stara | Russian Empire | Kutno | 1914 |
| Kozia Góra Nowa | Poland | Kutno | 1921 |
| Kozia Góra Stara | Poland | Kutno | 1921 |
| Kozia Góra | German Empire | Kutno | 1939 |
| Kozia Góra Nowa | Poland | Kutno | 1945 |
| Kozia Góra Stara | Poland | Kutno | 1945 |
| Kozia Góra Nowa | Poland | Płock | 1992 |
| Kozia Góra Stara | Poland | Płock | 1992 |