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Cognomen Yamagata (ヤマガタ , Yamagata
, Ямагата
) , all over the world, is quite a rare surname. The last name Yamagata is habitual in Cayman Islands, where it is quite a rare surname, Bermuda, and Slovenia. Measured by absolute frequency, it most frequently occurs in the United States, Japan, and Brazil. More frequently, Yamagata is the forename as well as the last name.