Kozia Góra was formerly part of the German Empire. In the German Empire, the place was called Schönhausen (Ostpr.).
The place is now called Kozia Góra and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ziegenberg | German Empire | Osterode i. Ostpr. | 1926 |
| Schönhausen | German Empire | Osterode i. Ostpr. | 1939 |
| Schönhausen (Ostpr.) | German Empire | Osterode i. Ostpr. | 1939 |
| Kozia Góra | Under Polish administration | Ostróda | 1945 |
| Kozia Góra | Poland | Olsztyn | 1992 |