Athinaio
Athinaio is a village and a community in the municipal unit of Valtetsi, Tripoli, Arcadia, Greece. It is situated on a hillside, north of the river Alfeios. The community includes the village Marmaria. Athinaio is 2 km southwest of Asea, 10 km east of Megalopoli and 16 km southwest of Tripoli. The A7 motorway passes south of the village.
Population
| Year | Settlement population | Population community |
| 1981 | 294 | - |
| 1991 | 229 | - |
| 2001 | 149 | 183 |
| 2011 | 82 | 95 |
| 2021 | 85 | 95 |
Notable people
- Kostas Triantafyllopoulos, actor