| Kastriá | |
| Name Local: | Καστρία |
| Type: | community |
| Coordinates: | 38.0333°N 29°W |
| Elevation: | 800 |
| Periph: | West Greece |
| Periphunit: | Achaea |
| Municipality: | Kalavryta |
| Municunit: | Kleitoria |
| Population As Of: | 2021 |
| Pop Community: | 83 |
| Postal Code: | 25007 |
| Area Code: | 26920 |
Kastria (Greek, Modern (1453-);: Καστρία) is a small village in the Peloponnese peninsula, Greece.[1] It is part of the municipality Kalavryta.
It is near the Cave of the Lakes.
It is just down the road from Glastra.