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Surname Vuna (Вуна , Vuna ) , worldwide, is quite a rare cognomen. The family name Vuna is habitual in Bulgaria, where it is quite a common surname, the Democratic Republic of the Congo, where it is a rare surname, and New Zealand. Not in comparison with a country's population, it is commonest in Bulgaria, India, and the Democratic Republic of the Congo. Also, Vuna is the forename as well as the last name.