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Cognomen غاغا (Gaga , Qaqa , غاغا ) , all around the world, is a common family name. The surname غاغا is habitual in Georgia, where it is quite a common surname, Fiji, where it is quite a rare surname, and Serbia. In absolute terms, it is the most numerous in India, Georgia, and Indonesia. Likewise, غاغا is the forename as well as the last name.