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In the entire world, Rāja (ราช , Rāja, ရာဇဝင် ) is a very rare predominantly masculine, but very infrequently female given name. The first name Rāja is characteristic of South-eastern Asia, particularly Thailand, where it is a rare principally boy's, but very seldom feminine name. More prevalently, Rāja is the last name as well as the forename.