Samociążek was formerly part of the German Empire. In the German Empire, the place was called Sanddorf (Westpr.).
The place is now called Samociążek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sanddorf | German Empire | Bromberg | before the Versailles Treaty |
| Samociążek | Poland | Bydgoszcz | after the Versailles Treaty |
| Sanddorf (Westpr.) | German Empire | Bromberg | 1939 |
| Samociążek | Poland | Bydgoszcz | 1945 |
| Samociążek | Poland | Bydgoszcz | 1992 |