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Surname Силвана (Silvana , Силвана ) , in the entire world, is a common cognomen. The last name Силвана is habitual in North Macedonia, where it is a common surname, Uruguay, where it is quite a common surname, and Argentina. In absolute terms, the name is most common in Argentina, Indonesia, and North Macedonia. More frequently, Силвана is the forename as well as the last name.