Szónychel was formerly part of the German Empire. In the German Empire, the place was called Schönichel.
The place is now called Šunychl (Bohumín-Šunychl) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schönichel | Austro-Hungary | Freistadt/Frysztat, Fryštát | before the Treaty of Saint-Germain |
| Szónychel | Austro-Hungary | Freistadt/Frysztat, Fryštát | before the Treaty of Saint-Germain |
| Šunichl | Austro-Hungary | Freistadt/Frysztat, Fryštát | before the Treaty of Saint-Germain |
| Šunychl | Czechoslovakia | Fryštát | after the Treaty of Saint-Germain |
| Szónychel | Czechoslovakia | Fryštát | after the Treaty of Saint-Germain |
| Szónychel | Poland | Frysztat/Fryštát | 1938 |
| Schönichel | German Empire | Teschen | 1939 |
| Šunychl | Czechoslovakia | Ostrava/Ostrava-okolí | 1945 |
| Šunychl (Bohumín-Šunychl) | Czechoslovakia | Karviná | 1992 |
| Šunychl (Bohumín-Šunychl) | Czech Republic | Karviná | 1993 |