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