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