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