Kargoszynek was formerly part of the German Empire. In the German Empire, the place was called Kargoszynek (Zichenau-Kargoszynek).
The place is now called Kargoszynek (Ciechanów-Kargoszynek) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kargoszynek | Russian Empire | Cehanov | 1914 |
| Kargoszynek | Poland | Ciechanów | 1919 |
| Kargoszynek (Zichenau-Kargoszynek) | German Empire | Zichenau | 1939 |
| Kargoszynek (Ciechanów-Kargoszynek) | Poland | Ciechanów | 1945 |
| Kargoszynek (Ciechanów-Kargoszynek) | Poland | Ciechanów | 1992 |