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Cognomen Didia (Didia , Дидия , Дідія ) , in the entire world, is quite a rare surname. The surname Didia is habitual in Georgia, where it is quite a rare surname, Ivory Coast, and Nigeria, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Nigeria, Ivory Coast, and Mexico. Also, Didia is the forename as well as the last name.