OriginsThe origin of the De Dominicis surname is predominantly Italian, specifically originating from the regions of Southern Italy, including Campania, Calabria, and Apulia. The name is also found in other parts of Italy.
Geographic DistributionThe De Dominicis surname is most popular in Italy, with a significant presence in the regions of Campania, Calabria, and Apulia. It is also found in other parts of Italy, although to a lesser extent.