Olsztynek was formerly part of the German Empire. In the German Empire, the place was called Hohenstein i. Ostpr..
The place is now called Olsztynek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sauden | German Empire | Osterode i. Ostpr. | 1933 |
| Hohenstein i. Ostpr. | German Empire | Osterode i. Ostpr. | 1939 |
| Olsztynek | Under Polish administration | Ostróda | 1945 |
| Olsztynek | Poland | Olsztyn | 1992 |