Gründorf was formerly part of the German Empire. In the German Empire, the place was called Stobertal, Kol..
The place is now called Zieliniec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Gründorf | German Empire | Oppeln | 1936 |
| Stobertal, Kol. | German Empire | Oppeln | 1939 |
| Zieliniec | Under Polish administration | Opole | 1945 |
| Zieliniec | Poland | Opole | 1993 |