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Last name Barbera (Barbera , ברברה , Барбера ) , in the world, is a common family name. The last name Barbera is characteristic of Aland Islands, where it is quite a common surname, Italy, and Spain, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Italy, Spain, and the United States. Very seldom, Barbera is the forename as well as the last name.