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Throughout the world, 디아 (Diah , Dia , 디아) is a widespread dominantly female, but uncommonly male given name. The first name 디아 is characteristic of Indonesia, where it is quite a common predominantly female, but scarcely male name, Gabon, where it is quite a common masculine name, and Senegal, where it is quite a common predominantly boy's, but very infrequently female name. Measured by absolute frequency, the name is most common in Indonesia, Senegal, and Algeria. Likewise, 디아 is the last name as well as the forename.
디아 is also a name for the fictitious and mythical characters: Dia Kurosawa , the fictional character from Love Live! Sunshine!!; Zia Rashid , character in The Kane Chronicles; Dia , the mythological Greek character and Dia .