Campobello di Mazara is a town in the province of Trapani, Sicily, southern Italy. Its inhabitants are scattered in the town center and the minor se…Campobello di Mazara is a town in the province of Trapani, Sicily, southern Italy. Its inhabitants are scattered in the town center and the minor seaside frazioni of Tre Fontane and Torretta Granitola, populated mostly during the summer period. It borders on the neighbouring cities of Mazara del Vallo and Castelvetrano, and is colloquially known just as Campobello.