Heidchen was formerly part of the German Empire. In the German Empire, the place was called Heidchen.
The place is now called Nieznań and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Heidchen | German Empire | Greifenhagen | 1939 |
| Nieznań | Under Polish administration | Gryfino | 1945 |
| Nieznań | Poland | Szczecin | 1992 |