Ulkebüllholz was formerly part of the German Empire. In the German Empire, the place was called Ulkebüllholz.
The place is now called Ulkebølskov (Sønderborg-Ulkebølskov) and belongs to Denmark.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ulkebüllholz | German Empire | Sonderburg | before the Versailles Treaty |
| Ulkebøl Skov | Denmark | Sønderborg | after the Versailles Treaty |
| Ulkebølskov (Sønderborg-Ulkebølskov) | Denmark | Sønderjylland | 1993 |