Pelagos (Greek: Πέλαγος) is a village in the municipality of Tripoli, Arcadia, Greece. It is situated in the plain of Tripoli, at 670 m above sea level. As of 2011, it had a population of 151. It is 2 km northwest of Zevgolateio and 4 km northeast of Tripoli city centre. The A7 motorway (Corinth–Tripoli–Kalamata) passes west of the village. The name Pelagos (meaning "sea") dates from classical antiquity, referring to an oak forest on the road from Mantineia to Tegea.