Ogljenšak was formerly part of the German Empire. In the German Empire, the place was called Kohlberg.
The place is now called Ogljenšak and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kohlberg | Austro-Hungary | Marburg/Maribor | before the Treaty of Saint-Germain |
| Ogljenšak | Austro-Hungary | Marburg/Maribor | before the Treaty of Saint-Germain |
| Ogljenšak | Yugoslavia | Maribor desni breg | after the Treaty of Saint-Germain |
| Kohlberg | German Empire | Marburg an der Drau | 1941 |
| Ogljenšak | Yugoslavia | Maribor | 1945 |
| Ogljenšak | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Ogljenšak | Slovenia | Slowenien | 1991 |