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Cognomen ჟვანია (Jwania , Jvania , ჟვანია ) , all over the world, is quite a rare surname. The surname ჟვანია is habitual in Georgia, where it is quite a common surname, Lithuania, where it is a rare surname, and Turkey, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Georgia, the United States, and Lithuania.