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In all the world, Barrena (Barrena , Barina , Veru ) is quite a rare epicene first name. The first name Barrena is habitual in Czechia, where it is quite a rare female name, Ethiopia, where it is a rare principally feminine, but very infrequently masculine name, and Indonesia, where it is a rare unisex name. In absolute terms, the name is most common in Ethiopia, India, and Czechia. Also, Barrena is the last name as well as the forename.
Barrena is also a name for the fictitious and mythical characters: Barena , the operatic character in the opera Jenůfa.