Sønder-Hostrup was formerly part of the German Empire. In the German Empire, the place was called Süderhostrup.
The place is now called Sønder Hostrup (Åbenrå-Sønder Hostrup) and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Süderhostrup | German Empire | Apenrade | before the Versailles Treaty |
| Sønder-Hostrup | Denmark | Aabenraa | after the Versailles Treaty |
| Sønder Hostrup (Åbenrå-Sønder Hostrup) | Denmark | Sønderjylland | 1993 |