Roodt was formerly part of the German Empire. In the German Empire, the place was called Rodt bei Redingen.
The place is now called Roodt-lès-Ell and belongs to Luxembourg.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Roodt | Luxembourg | Diekirch | 1939 |
| Rodt bei Redingen | German Empire | Diekirch | 1940 |
| Roodt | Luxembourg | Diekirch | 1945 |
| Roodt-lès-Ell | Luxembourg | Diekirch | 1993 |