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Surname Gulis (Gulis , Гулис ) , all over the world, is quite a rare family name. The family name Gulis is habitual in Eastern Europe, particularly Slovakia, where it is quite a rare surname, Belarus, and Hungary, where it is a rare surname. In absolute terms, the name is most common in Belarus, Slovakia, and Philippines. Much less frequently, Gulis is the forename as well as the last name.