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Cognomen Zielonka (Zielonka ) , in the entire world, is quite a common surname. The last name Zielonka is characteristic of Poland, where it is quite a common surname, Germany, where it is quite a rare surname, and Estonia. In absolute terms, it is the most numerous in Poland, Germany, and the United States. Also, Zielonka is the forename as well as the last name.