Süder-Twismark was formerly part of the German Empire. In the German Empire, the place was called Süder-Twismark.
The place is now called Tvismark and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Süder-Twismark | German Empire | Tondern | before the Versailles Treaty |
| Sønder-Tvismark | Denmark | Tønder | after the Versailles Treaty |
| Tvismark | Denmark | Sønderjylland | 1993 |