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Last name Bialas (Bialas , Бялас , Биалас ) , all over the world, is quite a common surname. The last name Bialas is characteristic of Poland, where it is quite a common surname, Germany, where it is quite a rare surname, and Ireland, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Poland, Germany, and the United States. Also, Bialas is the forename as well as the last name.