Sladki vrh was formerly part of the German Empire. In the German Empire, the place was called Süßenberg.
The place is now called Sladki Vrh and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Süssenberg | Austro-Hungary | Radkersburg/Radgona | before the Treaty of Saint-Germain |
| Sladka Gora | Austro-Hungary | Radkersburg/Radgona | before the Treaty of Saint-Germain |
| Sladki vrh | Yugoslavia | Maribor levi breg | after the Treaty of Saint-Germain |
| Süßenberg | German Empire | Oberradkersburg | 1941 |
| Sladki vrh | Yugoslavia | Maribor | 1945 |
| Sladki Vrh | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Sladki Vrh | Slovenia | Slowenien | 1991 |