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