Last name Грэк (Grek 
, Грэк , Qrek) , in the world, is quite a rare surname. The surname Грэк is habitual in Slovakia, where it is quite a rare surname, Lithuania, and Serbia. Not in comparison with a country's population, it most frequently occurs in Poland, Slovakia, and the United States. Likewise, Грэк is the forename as well as the last name.