Kargoszynek is a place, that 1919 belonged to Poland and was situated in the administrative region Ciechanów.
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.