Adlig Dietrichsdorf was formerly part of the German Empire. In the German Empire, the place was called Dietrichsdorf.
The place is now called Wietrzychowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Adlig Dietrichsdorf | German Empire | Neidenburg | 1914 |
| Dietrichsdorf | German Empire | Neidenburg | 1939 |
| Wietrzychowo | Under Polish administration | Nidzica | 1945 |
| Wietrzychowo | Poland | Olsztyn | 1992 |