Great bluestone
Groß Blaustein is a German place name:
- Groß Blaustein (village) , Rastenburg district, East Prussia, since 1945: Dolny Siniec , Powiat Kętrzyński, Warmian-Masurian Voivodeship, Poland
- Groß Blaustein (Gut) , 1928 to 1945 Blaustein , Rastenburg District, East Prussia, since 1945: Siniec (Srokowo) , Powiat Kętrzyński, Warmian-Masurian Voivodeship, Poland
- Groß Blaustein brickworks , Rastenburg district, East Prussia, since 1945: Siniec-Cegielnia , Powiat Kętrzyński, Warmian-Masurian Voivodeship
See also: