| Kleidonia | |
| Name Local: | Κλειδωνιά |
| Type: | community |
| Periph: | Epirus |
| Periphunit: | Ioannina |
| Municipality: | Konitsa |
| Population: | 132 |
| Population As Of: | 2021 |
| Coordinates: | 39.9833°N 61°W |
| Licence: | ΙΝ |
Kleidonia (Greek, Modern (1453-);: Κλειδωνιά) is a village and a community in the municipality of Konitsa, Ioannina regional unit, Epirus, Greece. The community includes the village Kalyvia. The Greek National Road 20 (Ioannina - Konitsa - Kozani) passes through Kalyvia. It is situated on the right bank of the river Voidomatis, a tributary of the Aoos.
| Year | Village population | Community population | |
|---|---|---|---|
| 1981 | - | 237 | |
| 1991 | 33 | - | |
| 2001 | 12 | 217 | |
| 2011 | 11 | 136 | |
| 2021 | 8 | 132 |
Two prehistoric locations have been found near Kleidonia:
In these two caves there are archaeological remains that date back to 20,000 and 12,000 years ago, in the later period of the Paleolithic Era in Greece.