PHIGALIA was a Dryad nymph of the town of Phigalia in Arkadia, southern Greece.
PHIGA′LIA (Phigalia), a Dryad, from whom the town of Phigalia was believed to have derived its name. (Paus. viii. 39. § 2; Strab. viii. p. 348.)
Source: Dictionary of Greek and Roman Biography and Mythology.
Pausanias, Description of Greece 8. 39. 3 (trans. Jones) (Greek travelogue C2nd A.D.) :
"[On the Arkadian town of Phigalia:] Others have said that Phigalia was one of the nymphai called Dryades."
- Pausanias, Description of Greece - Greek Geography C2nd A.D.