Mierzyce was formerly part of the German Empire. In the German Empire, the place was called Märzendorf.
The place is now called Mierzyce and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mierzyce | Russian Empire | Veljunˈ | 1914 |
| Mierzyce | Poland | Zduńska Wola m. | 1921 |
| Mierzyce | German Empire | Welungen | 1939 |
| Merzdorf | German Empire | Welungen | 1939 |
| Märzendorf | German Empire | Welungen | 1939 |
| Mierzyce | Poland | Wieluń | 1945 |
| Mierzyce | Poland | Sieradz | 1992 |