Kaplja vas was formerly part of the German Empire. In the German Empire, the place was called Kaplawas.
The place is now called NN and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kaplawas | Austro-Hungary | Stein/Kamnik | before the Treaty of Saint-Germain |
| Kaplja Vas | Austro-Hungary | Stein/Kamnik | before the Treaty of Saint-Germain |
| Kaplja vas | Yugoslavia | Kamnik | after the Treaty of Saint-Germain |
| Kaplawas | German Empire | Stein | 1941 |
| NN | Yugoslavia | Ljubljana | 1945 |
| NN | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| NN | Slovenia | Slowenien | 1991 |