Fyli
| Fyli Φυλή | |
|---|---|
| Coordinates: 38°6′N 23°40′E / 38.100°N 23.667°E | |
| Country | Greece | 
| Administrative region | Attica | 
| Regional unit | West Attica | 
| Government | |
| • Mayor | Christos Pappous (since 2014) | 
| Area | |
|  • Municipality | 109.13 km2 (42.14 sq mi) | 
| • Municipal unit | 69.28 km2 (26.75 sq mi) | 
| Elevation | 330 m (1,080 ft) | 
| Population  (2021) | |
|  • Municipality | 48,157 | 
| • Density | 440/km2 (1,100/sq mi) | 
| • Municipal unit | 3,209 | 
| • Municipal unit density | 46/km2 (120/sq mi) | 
| Time zone | UTC+2 (EET) | 
| • Summer (DST) | UTC+3 (EEST) | 
| Postal code | 133 xx | 
| Area code(s) | 210 | 
| Vehicle registration | Z (as of 2006) | 
Fyli (Greek: Φυλή, pronounced [fiˈli]), formerly known as Chasia (Χασιά), is a town and a municipality in the northwestern part of Attica, Greece. It lies in the northeastern corner of the West Attica regional unit, and is a suburb of Athens. The seat of the municipality is the town Ano Liosia. Within bounds of the town is the ancient Athenian fortress of Phyle.