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