Popia Góra was formerly part of the German Empire. In the German Empire, the place was called Pfaffenberg.
The place is now called Popia Góra and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Popiagorra | German Empire | Konitz | before the Versailles Treaty |
| Popia Góra | Poland | Chojnice | after the Versailles Treaty |
| Pfaffenberg | German Empire | Konitz | 1939 |
| Popia Góra | Poland | Chojnice | 1945 |
| Popia Góra | Poland | Gdańsk | 1992 |