Pattburg (b. Bau) was formerly part of the German Empire. In the German Empire, the place was called Pattburg (b. Bau).
The place is now called Padborg and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pattburg (b. Bau) | German Empire | Flensburg | before the Versailles Treaty |
| Paddeborg | Denmark | Aabenraa | after the Versailles Treaty |
| Padborg | Denmark | Sønderjylland | 1993 |