Mielno (Koszalińskie) was formerly part of the German Empire. In the German Empire, the place was called Großmöllen.
The place is now called Mielno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Großmöllen | German Empire | Köslin | 1939 |
| Mielno (Koszalińskie) | Under Polish administration | Koszalin | 1945 |
| Mielno | Poland | Koszalin | 1992 |