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Family name Elu (Illa , Elu , Ealu ) , across the world, is a common last name. The surname Elu is habitual in Aland Islands, where it is quite a common surname, Libya, where it is quite a rare surname, and Peru. Not in comparison with a country's population, it is the most numerous in India, Indonesia, and Peru. Likewise, Elu is the forename as well as the last name.