Pournoy-la-Grasse was formerly part of the German Empire. In the German Empire, the place was called Großprunach.
The place is now called Pournoy-la-Grasse and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pournoy-la-Grasse | German Empire | Metz | before the Versailles Treaty |
| Großprunach | German Empire | Metz | before the Versailles Treaty |
| Pournoy-la-Grasse | France | Moselle | after the Versailles Treaty |
| Großprunach | German Empire | Metz | 1940 |
| Pournoy-la-Grasse | France | Moselle | 1945 |
| Pournoy-la-Grasse | France | Moselle | 1993 |