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Cognomen Догу (Doğu , Dogu , Догу ) , all around the world, is a common family name. The surname Догу is habitual in Turkey, where it is quite a common surname, North Macedonia, where it is a rare surname, and Japan. In absolute terms, it is commonest in Turkey, Japan, and Germany. Very seldom, Догу is the forename as well as the last name.