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Cognomen Jaha (Jaha , Яха , Jaag ) , throughout the world, is a widespread surname. The last name Jaha is characteristic of Kosovo, where it is quite a common surname, Albania, where it is quite a rare surname, and India. Measured by absolute frequency, it is the most numerous in India, Tanzania, and Pakistan. Much less frequently, Jaha is the forename as well as the last name.