Unter-Log was formerly part of the German Empire. In the German Empire, the place was called Unterlog.
The place is now called Spodnji Log and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Unter-Log | Austro-Hungary | Littai/Litija | before the Treaty of Saint-Germain |
| Spodnji Log | Austro-Hungary | Littai/Litija | before the Treaty of Saint-Germain |
| Spodnji log | Yugoslavia | Litija | after the Treaty of Saint-Germain |
| Unterlog | German Empire | Stein | 1941 |
| Spodnji Log | Yugoslavia | Ljubljana | 1945 |
| Spodnji Log | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Spodnji Log | Slovenia | Slowenien | 1991 |