Pietragalla is a town and comune in the province of Potenza, in the Southern Italian region of Basilicata. It is bounded by the comuni of Acerenza, Avigliano, Cancellara, Forenza, Potenza, Vaglio Basilicata.
Wikipedia https://en.wikipedia.org/wiki/Pietragalla
Coordinates 40°44'51.08" N 15°52'50.334" E