Mieliwko was formerly part of the German Empire. In the German Empire, the place was called Kleinmilwe.
The place is now called Milewko and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Milewken | German Empire | Marienwerder | before the Versailles Treaty |
| Mieliwko | Poland | Gniew | after the Versailles Treaty |
| Kleinmilwe | German Empire | Schwetz (Weichsel) | 1939 |
| NN | Poland | Świecie | 1945 |
| Milewko | Poland | Bydgoszcz | 1992 |