Fröslee was formerly part of the German Empire. In the German Empire, the place was called Fröslee.
The place is now called Frøslev and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Fröslee | German Empire | Flensburg | before the Versailles Treaty |
| Frøslev | Denmark | Aabenraa | after the Versailles Treaty |
| Frøslev | Denmark | Sønderjylland | 1993 |