Südfeld was formerly part of the German Empire. In the German Empire, the place was called Südfeld.
The place is now called Ved Åen (Tønder-Ved Åen) and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Südfeld | German Empire | Tondern | before the Versailles Treaty |
| Sydfeld | Denmark | Tønder | after the Versailles Treaty |
| Ved Åen (Tønder-Ved Åen) | Denmark | Sønderjylland | 1993 |