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In all the world, Eco (Eco , Eku , นิเวศ ) is quite a common unisex forename. The first name Eco is habitual in Thailand, where it is quite a rare predominantly masculine, but scarcely female name, Cameroon, where it is a rare masculine name, and Guatemala. In absolute terms, it is commonest in Indonesia, Nigeria, and India. Also, Eco is the last name as well as the forename.
Eco is also a name for the fictitious and mythical characters: Eco (Echo) , the operatic character in the opera L'Orfeo by Claudio Monteverdi and ECO 35-2 .