Athinaio
Athinaio is a village and a community in the municipal unit of Valtetsi, Arcadia, Greece. It is situated on a hillside, north of the river Alfeios. iN 2011 Athinaio had a population of 82 for the village and 95 for the community, which includes the village Marmaria. Athinaio is 2 km southwest of Asea, 10 km east of Megalopoli and 16 km southwest of Tripoli. The Moreas Motorway passes south of the village.Population
| Year | Settlement population | Population community |
| 1981 | 294 | - |
| 1991 | 229 | - |
| 2001 | 149 | 183 |
| 2011 | 82 | 95 |
- Kostas Triantafyllopoulos, actor
