Gammel-Ladegaard was formerly part of the German Empire. In the German Empire, the place was called Ladegaard II.
The place is now called Gammel Ladegård and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ladegaard II | German Empire | Hadersleben | before the Versailles Treaty |
| Gammel-Ladegaard | Denmark | Haderslev | after the Versailles Treaty |
| Gammel Ladegård | Denmark | Sønderjylland | 1993 |