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Across the world, Arao (Arao , Arão , Hairon ) is quite a common predominantly boy's, but very infrequently girly first name. The given name Arao is characteristic of Angola, where it is quite a rare boy's name, Brazil, and the Dominican Republic. Measured by absolute frequency, it is the most numerous in Brazil, Angola, and Philippines. Also, Arao is the last name as well as the forename.