Barnowiec was formerly part of the German Empire. In the German Empire, the place was called Reinfeld.
The place is now called Barnowiec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Reinfeld b. Barnow | German Empire | Rummelsburg i.Pom. | 1914 |
| Reinfeld | German Empire | Rummelsburg i.Pom. | 1939 |
| Barnowiec | Under Polish administration | Miastko | 1945 |
| Barnowiec | Poland | Słupsk | 1992 |