Vallone Surname in Italy

The surname Vallone is mainly found across central and southern Italy, with significant presence in the Lazio region (especially in Rome and Frosinone), Campania (Caserta, Naples, Salerno), Calabria (Vibo Valentia, Catanzaro, Crotone), and Sicily (Trapani, Palermo). The variant Vallon is extremely rare and likely originates from the Trieste area, while Vallone is more widely distributed. The surname likely derives from place names such as Portovallone in Ferrara, Vallone in the provinces of Rovigo, Frosinone, and Ancona, or Vallone Cupo in Calabria. The related surname Valloni, less common, shows roots around Rimini and Lazio (Rome, Rieti) with smaller pockets in Umbria and Abruzzo. Both Vallone and Valloni may have originated as toponyms or nicknames linked to ancestors residing near large valleys.