Wieprz was formerly part of the German Empire. In the German Empire, the place was called Wieperz.
The place is now called Wieprz and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wieprz | Austro-Hungary | Saybusch/Żywiec | before the Treaty of Saint-Germain |
| Wieprz | Poland | Żywiec | after the Treaty of Saint-Germain |
| Wieprz | German Empire | Saybusch | 1939 |
| Wieperz | German Empire | Saybusch | 1939 |
| Wieprz | Poland | Żywiec | 1945 |
| Wieprz | Poland | Bielsko | 1992 |