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Family name Grubich (Grubich , Грубих , Грубич ) , around the globe, is quite a rare last name. The cognomen Grubich is habitual in Eastern Europe, particularly Hungary, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Ukraine. Measured by absolute frequency, it is commonest in the United States, Russia, and Ukraine. Very seldom, Grubich is the forename as well as the last name.