Isoma Karyon
Isoma Karyon is a village in the municipality of Megalopoli, Arcadia, Greece. It is situated in the eastern foothills of mount Lykaion, at 470 m elevation. It is 2 km northwest of Kato Karyes, 6 km south of Karytaina and 8 km northwest of Megalopoli.
Population
| Year | Population |
| 1981 | 144 |
| 1991 | 168 |
| 2001 | 115 |
| 2011 | 14 |
| 2021 | 14 |