Pfaffendorf was formerly part of the German Empire. In the German Empire, the place was called Pfaffendorf.
The place is now called Popowo Salęckie and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pfaffendorf | German Empire | Sensburg | 1939 |
| Popowo Salęckie | Under Polish administration | Mrągowo | 1945 |
| Popowo Salęckie | Poland | Olsztyn | 1992 |