Norby was formerly part of the German Empire. In the German Empire, the place was called Norby.
The place is now called Nørby (Åbenrå-Nørby) and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Norby | German Empire | Apenrade | before the Versailles Treaty |
| Nørby | Denmark | Aabenraa | after the Versailles Treaty |
| Nørby (Åbenrå-Nørby) | Denmark | Sønderjylland | 1993 |