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Globally, אדא (Adda , אדא ) is a common gender-neutral given name. The given name אדא is characteristic of Algeria, where it is quite a common predominantly boy's, but scarcely female name, Iceland, where it is quite a rare feminine name, and Cameroon. Not in comparison with a country's population, it is commonest in Algeria, Nigeria, and Mexico. Likewise, אדא is the last name as well as the forename.
אדא is also a name for the fictitious and mythical characters: Adda , character in The Witcher and Adda , the fictional character from the Witcher series.