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Cognomen Vider (Vida , Vider , Vacuus) , all around the world, is a common surname. The cognomen Vider is habitual in Hungary, where it is quite a common surname, Slovakia, and Ghana (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Hungary, Ghana, and Brazil. Also, Vider is the forename as well as the last name.