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Globally, Borysław (Борислав , Borysław ) is quite a rare masculine first name. The first name Borysław is habitual in Bulgaria, where it is quite a common masculine name, Serbia, where it is quite a rare male name, and Ukraine. In absolute terms, it is the most numerous in Eastern Europe, particularly Bulgaria, Russia, and Ukraine. Very seldom, Borysław is the last name as well as the forename.
Ridżalski, and Kotasiński