Theresenthal was formerly part of the German Empire. In the German Empire, the place was called Theresenthal.
The place is now called Dobroty and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Theresenthal | German Empire | Gerdauen | 1939 |
| Dobroty | Under Polish administration | Kętrzyn | 1945 |
| Dobroty | Poland | Olsztyn | 1992 |