Pineios (Greek: Πηνειός) is a municipality in the Elis regional unit, West Greece region, Greece. The seat of the municipality is the town Gastouni. It was named after the river Pineios.
The municipality Pineios was formed at the 2011 local government reform by the merger of the following 3 former municipalities, that became municipal units:
- ^ "Detailed census results 2011" (xls 2,7 MB). National Statistical Service of Greece. (Greek)
- ^ a b Kallikratis law Greece Ministry of Interior (Greek)