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Cognomen Gritsishin (Грицишин , Gritsishin , Гритсишин ) , around the world, is quite a rare last name. The last name Gritsishin is characteristic of Ukraine, where it is quite a rare surname, Belarus, where it is a rare surname, and Kazakhstan. Not in comparison with a country's population, it most frequently occurs in Eastern Europe, particularly Ukraine, Russia, and Belarus.