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Family name Вильчек (Wilczek , Вильчек , Vilchek ) , across the world, is quite a common surname. The last name Вильчек is characteristic of Poland, where it is quite a common surname, Malta, where it is quite a rare surname, and Germany. Measured by absolute frequency, the name is most common in Poland, Germany, and the United States. Likewise, Вильчек is the forename as well as the last name.