Kerastaris
Kerastaris is a village in the municipal unit of Valtetsi, Arcadia, Greece. It is situated on a hillside north of the river Alfeios. It is 2 km west of Asea, 2 km north of Athinaio, 9 km east of Megalopoli and 16 km southwest of Tripoli.
Population
| Year | Population |
| 1981 | 100 |
| 1991 | 120 |
| 2001 | 75 |
| 2011 | 39 |
| 2021 | 35 |