Ostrowite was formerly part of the German Empire. In the German Empire, the place was called Osterwitt.
The place is now called Ostrowite and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ostrowitt | German Empire | Osterode i. Ostpr. | 1938 |
| Osterwitt | German Empire | Osterode i. Ostpr. | 1939 |
| Ostrowite | Under Polish administration | Ostróda | 1945 |
| Ostrowite | Poland | Olsztyn | 1992 |