Ustok was formerly part of the German Empire. In the German Empire, the place was called Heinrichsfelde.
The place is now called Ustok and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Heinrichsfelde | German Empire | Regenwalde | 1939 |
| Ustok | Under Polish administration | Łobez | 1945 |
| Ustok | Poland | Koszalin | 1992 |