Boulange was formerly part of the German Empire. In the German Empire, the place was called Bollingen.
The place is now called Boulange and belongs to France.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bollingen (Lothr.) | German Empire | Diedenhofen | before the Versailles Treaty |
| Boulange | France | Moselle | after the Versailles Treaty |
| Bollingen b. Diedenhofen | German Empire | Diedenhofen | 1940 |
| Bollingen | German Empire | Diedenhofen | 1940 |
| Boulange | France | Moselle | 1945 |
| Boulange | France | Moselle | 1993 |