Province of Caltanissetta
Villalba (Sicilian: Villarba) is a "comune" (municipality) in the Province of Caltanissetta in the Italian region Sicily, located about northwest of Caltanissetta, about southeast of Palermo and 68 km from Agrigento. As of 31 December 2004, it had a population of 1,852 and an area of . It rises over an internal hilly area, 620 meters above sea-level.