Flévy was formerly part of the German Empire. In the German Empire, the place was called Karlshof.
The place is now called Flévy and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Flévy | German Empire | Metz | before the Versailles Treaty |
| Flaich | German Empire | Metz | before the Versailles Treaty |
| Flévy | France | Moselle | after the Versailles Treaty |
| Karlshof (Westmark) | German Empire | Metz | 1940 |
| Karlshof | German Empire | Metz | 1940 |
| Flévy | France | Moselle | 1945 |
| Flévy | France | Moselle | 1993 |