| Chasia | |
| Name Local: | Χάσια |
| Type: | municipal unit |
| Periph: | Thessaly |
| Periphunit: | Trikala |
| Pop Municunit: | 2325 |
| Population As Of: | 2021 |
| Area Municunit: | 291.8 |
| Coordinates: | 39.85°N 61°W |
| Licence: | ΤΚ |
Chasia (el|Χάσια) is a former municipality in the Trikala regional unit, Thessaly, Greece, named after Mount Chasia. Since the 2011 local government reform it is part of the municipality Meteora, of which it is a municipal unit.[1] The municipal unit has an area of 291.753 km2.[2] Population 2,325 (2021). The seat of the municipality was in .