Zasieki was formerly part of the German Empire. In the German Empire, the place was called Forst (Lausitz).
The place is now called Zasieki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Forst (Lausitz) | German Empire | Forst (Lausitz) (St.Kr.) | 1939 |
| Zasieki | Under Polish administration | Żary | 1945 |
| Zasieki | Poland | Zielona Góra | 1992 |