Dejguny was formerly part of the German Empire. In the German Empire, the place was called Deyguhnen.
The place is now called Dejguny and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Deyguhnen | German Empire | Angerburg | 1939 |
| Dejguny | Under Polish administration | Węgorzewo | 1945 |
| Dejguny | Poland | Suwałki | 1992 |