Kupljenik was formerly part of the German Empire. In the German Empire, the place was called Kupljenik.
The place is now called Kupljenik and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kupljenik | Austro-Hungary | Radmannsdorf/Radovljica | before the Treaty of Saint-Germain |
| Kupljenik | Yugoslavia | Radovljica | after the Treaty of Saint-Germain |
| Kupljenik | German Empire | Radmannsdorf | 1941 |
| Kupljenik | Yugoslavia | Kranj | 1945 |
| Kupljenik | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Kupljenik | Slovenia | Slowenien | 1991 |