| Isaris | |
| Name Local: | Ίσαρης |
| Type: | community |
| Periph: | Peloponnese |
| Periphunit: | Arcadia |
| Municipality: | Megalopoli |
| Municunit: | Megalopoli |
| Pop Community: | 105 |
| Population As Of: | 2021 |
| Coordinates: | 37.3667°N 23°W |
Isaris (Greek, Modern (1453-);: Ίσαρης) is a village and a community in the municipality of Megalopoli, Arcadia, Greece. It is situated in the mountains west of the Alfeios valley, at about 750 m elevation. It is considered a traditional settlement. It is 2 km east of Vastas, 5 km northwest of Chranoi and 11 km southwest of Megalopoli. The community includes the small villages Petrovouni and Chrousa.
| Year | Population village | Population community | |
|---|---|---|---|
| 1981 | – | 368 | |
| 1991 | 236 | – | |
| 2001 | 218 | 263 | |
| 2011 | 86 | 140 | |
| 2021 | 80 | 105 |