Süder-Wilstrup was formerly part of the German Empire. In the German Empire, the place was called Süder-Wilstrup.
The place is now called Sønder Vilstrup (Haderslev-S. Vilstr.) and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Süder-Wilstrup | German Empire | Hadersleben | before the Versailles Treaty |
| Sønder-Vilstrup | Denmark | Haderslev | after the Versailles Treaty |
| Sønder Vilstrup (Haderslev-S. Vilstr.) | Denmark | Sønderjylland | 1993 |