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Cognomen Халбай (Халбай , Halbai , Halbaj ) , in all the world, is a rare surname. The cognomen Халбай is characteristic of Kyrgyzstan, where it is a rare surname, Morocco, and Kazakhstan, where it is a very rare surname. In absolute terms, it most frequently occurs in India, Morocco, and Kyrgyzstan. Likewise, Халбай is the forename as well as the last name.