Sanct Nikolai was formerly part of the German Empire. In the German Empire, the place was called Nikolai bei Oberburg.
The place is now called Šmiklavž and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sanct Nikolai | Austro-Hungary | Cilli/Celje | before the Treaty of Saint-Germain |
| Sveti Miklavž | Austro-Hungary | Cilli/Celje | before the Treaty of Saint-Germain |
| Šmiklavž | Yugoslavia | Gornji grad | after the Treaty of Saint-Germain |
| Nikolai bei Oberburg | German Empire | Cilli | 1941 |
| Šmiklavž | Yugoslavia | Celje | 1945 |
| Šmiklavž | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Šmiklavž | Slovenia | Slowenien | 1991 |