Tetrafylia (Greek: Τετραφυλία) is a former municipality in the Arta regional unit, Epirus, Greece.

Since the 2011 local government reform it is part of the municipality Georgios Karaiskakis, of which it is a municipal unit.

[2] The municipal unit has an area of 159.823 km2.

The seat of the municipality was in Astrochori.

This Epirus location article is a stub.