Piaseczno was formerly part of the German Empire. In the German Empire, the place was called Blumenwerder.
The place is now called Piaseczno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Blumenwerder | German Empire | Neustettin | 1939 |
| Piaseczno | Under Polish administration | Szczecinek | 1945 |
| Piaseczno | Poland | Koszalin | 1992 |