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