Uścianek was formerly part of the German Empire. In the German Empire, the place was called Trotha, Fh..
The place is now called Uścianek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Uschannek,Fh. | German Empire | Neidenburg | 1938 |
| Uszannek, Fh. | German Empire | Neidenburg | 1938 |
| Trotha, Fh. | German Empire | Neidenburg | 1939 |
| Uścianek | Under Polish administration | Nidzica | 1945 |
| Uścianek | Poland | Olsztyn | 1992 |