Elaionas (Greek: Ελαιώνας meaning 'the place where olives grow', before 1949: Τρυπιά - Trypia) is a village and a community in the municipal unit of Diakopto, in the northern part of the Peloponnese peninsula, Greece. It is on the Gulf of Corinth, 3 km west of Diakopto and 9 km southeast of Aigio. The Greek National Road 8A (Patras - Corinth - Athens) passes south of the village. The community consists of the villages Elaionas, Metochi and Terpsithea. In 2001 Elaionas had a population of 767 (812 for the community).