Walchendorf was formerly part of the German Empire. In the German Empire, the place was called Walchendorf.
The place is now called NN and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Laschische | Austro-Hungary | Cilli/Celje | before the Treaty of Saint-Germain |
| Lažiše | Austro-Hungary | Cilli/Celje | before the Treaty of Saint-Germain |
| Lažiše | Yugoslavia | Laško | after the Treaty of Saint-Germain |
| Walchendorf | German Empire | Cilli | 1941 |
| Laziše | Yugoslavia | Celje | 1945 |
| Laziše | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| NN | Slovenia | Slowenien | 1991 |