Piaskowiec
Piaskowiec refers to three places in Poland:
- Piaskowiec (Korsze) , village in the Warmia-Masurian Voivodeship, until 1945: Sandenberg , Rastenburg district, East Prussia
- Piaskowiec (Ćmiełów) , part of a village in the Holy Cross Voivodeship
- Piaskowiec (Ostaszewo) , village in the Pomeranian Voivodeship, until 1945: Sand , Marienburg district, West Prussia
Piaskowiec is the Polish term for sandstone:
- Piaskowiec Radków; see Wünschelburger sandstone
- Piaskowiec Wartowic; see Warthauer sandstone