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