Christnach was formerly part of the German Empire. In the German Empire, the place was called Kristnach.
The place is now called Christnach and belongs to Luxembourg.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Christnach | Luxembourg | Grevenmacher | 1939 |
| Kristnach | German Empire | Grevenmacher | 1940 |
| Christnach | Luxembourg | Grevenmacher | 1945 |
| Christnach | Luxembourg | Grevenmacher | 1993 |