Palaiochouni
Palaiochouni 
    Παλαιοχούνη  | |
|---|---|
| Coordinates: 37°24′N 22°12′E / 37.400°N 22.200°E | |
| Country | Greece | 
| Administrative region | Peloponnese | 
| Regional unit | Arcadia | 
| Municipality | Tripoli | 
| Municipal unit | Valtetsi | 
| Population  (2021)  | |
 • Community  | 16 | 
| Time zone | UTC+2 (EET) | 
| • Summer (DST) | UTC+3 (EEST) | 
| Vehicle registration | TP | 
Palaiochouni (Greek: Παλαιοχούνη) is a village in the municipal unit Valtetsi, Arcadia, Greece. It is situated in the hills on the eastern end of the plain of Megalopoli, at 700 m elevation. It is 2 km east of Mallota, 3 km west of Athinaio, 7 km east of Megalopoli and 19 km southwest of Tripoli. The Greek National Road 7 (Kalamata - Megalopoli - Tripoli) passes through the village.