Mellem-Lerte was formerly part of the German Empire. In the German Empire, the place was called Mittel-Leerdt.
The place is now called Mellem Lert and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mittel-Leerdt | German Empire | Hadersleben | before the Versailles Treaty |
| Mellem-Lerte | Denmark | Haderslev | after the Versailles Treaty |
| Mellem Lert | Denmark | Sønderjylland | 1993 |