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Cognomen 川津 (Kawazu
, 川津
) , across the world, is a very rare surname. The cognomen 川津 is habitual in Japan, where it is a very rare surname, Brazil, and Germany, where it is an extremely rare surname. In absolute terms, it is the most numerous in Japan, Brazil, and the United States. Likewise, 川津 is the forename as well as the last name.