Šempeter was formerly part of the German Empire. In the German Empire, the place was called Petersdorf im Sanntal.
The place is now called Šempeter and belongs to Slovenia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sanct Peter im Sannthale | Austro-Hungary | Cilli/Celje | before the Treaty of Saint-Germain |
| Sveti Peter ob Savinji | Austro-Hungary | Cilli/Celje | before the Treaty of Saint-Germain |
| Sveti Peter v Savinjski dolini | Yugoslavia | Celje | after the Treaty of Saint-Germain |
| Petersdorf im Sanntal | German Empire | Cilli | 1941 |
| Šempeter v Savinjski dolini | Yugoslavia | Celje | 1945 |
| Šempeter v Savinjski dolini | Yugoslavia | Socialistična rep. Slovenija | 1992 |
| Šempeter | Slovenia | Slowenien | 1991 |