Marenberg was formerly part of the German Empire. In the German Empire, the place was called Mahrenberg.
The place is now called Radlje ob Dravi and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mahrenberg | Austro-Hungary | Windischgraz/Slovenji Gradec | before the Treaty of Saint-Germain |
| Marenberg | Austro-Hungary | Windischgraz/Slovenji Gradec | before the Treaty of Saint-Germain |
| Marberg | Austro-Hungary | Windischgraz/Slovenji Gradec | before the Treaty of Saint-Germain |
| Marenberg | Yugoslavia | Dravograd | after the Treaty of Saint-Germain |
| Mahrenberg | German Empire | Marburg an der Drau | 1941 |
| Radlje ob Dravi | Yugoslavia | Maribor | 1945 |
| Radlje ob Dravi | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Radlje ob Dravi | Slovenia | Slowenien | 1991 |