Grass thing
Grassach is the place name of:
- Grassach (Altenmarkt an der Alz) , part of the municipality Altenmarkt an der Alz , Traunstein district, Bavaria
- Grassach (Burgkirchen an der Alz) , part of the municipality of Burgkirchen an der Alz , Altötting district, Bavaria
- Grassach (Tittmoning) , district of the town of Tittmoning, Traunstein district, Bavaria