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All over the world, Adua (Adua ) is quite a rare epicene first name. The first name Adua is characteristic of Italy, where it is quite a rare feminine name, Nigeria, where it is a rare epicene name, and Tanzania, where it is a very rare gender-neutral name. In absolute terms, the name is most common in Italy, Nigeria, and India. Also, Adua is the last name as well as the forename.