Czarnominko was formerly part of the German Empire. In the German Empire, the place was called Schwarzenau.
The place is now called Czarnominek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Czarnominko | Russian Empire | Serpec | 1914 |
| Czarnominko | Poland | Sierpc | 1919 |
| Schwarzenau | German Empire | Sichelberg | 1939 |
| Czarnominek | Poland | Sierpc | 1945 |
| Czarnominek | Poland | Płock | 1992 |