- 137,794 inhabitants (2021)
- 4,442.6 km² area
Hierarchy
Child units
Also written Phthiotis Regional Unit, Phthiotis Prefecture, Περιφερειακή ενότητα Φθιώτιδας.
Hierarchy
Also written Phthiotis Regional Unit, Phthiotis Prefecture, Περιφερειακή ενότητα Φθιώτιδας.