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Surname 克西斯 (Kocsis , 克西斯 , Cociș ) , in the world, is a common family name. The surname 克西斯 is characteristic of Eastern Europe, particularly Hungary, where it is a common surname, Romania, where it is quite a common surname, and Slovakia. Not in comparison with a country's population, it most frequently occurs in Hungary, Romania, and the United States. Much less frequently, 克西斯 is the forename as well as the last name.