Sillerup (Haderslev-Sillerup) is a place, that 1993 belonged to Denmark and was situated in the administrative region Sønderjylland.
Sillerup (Haderslev-Sillerup) was formerly part of the German Empire. In the German Empire, the place was called Sillerup. The place is now called Sillerup (Haderslev-Sillerup) and belongs to Denmark.