Basse-Kontz was formerly part of the German Empire. In the German Empire, the place was called Niederkontz.
The place is now called Contz-les-Bains and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Niederkontz | German Empire | Diedenhofen | before the Versailles Treaty |
| Basse-Kontz | France | Moselle | after the Versailles Treaty |
| Niederkontz | German Empire | Diedenhofen | 1940 |
| Contz-les-Bains | France | Moselle | 1945 |
| Contz-les-Bains | France | Moselle | 1993 |