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In the entire world, Viterbo (Viterbo , ויטרבו ) is quite a rare boy's forename. The given name Viterbo is characteristic of Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare male name, Peru, and Panama. Measured by absolute frequency, it is commonest in Italy, Peru, and the Democratic Republic of the Congo. More frequently, Viterbo is the last name as well as the forename.