Surname Sorka (Зорка 
, Sorka 
) , in the entire world, is quite a rare cognomen. The cognomen Sorka is habitual in Eastern Europe, particularly Bulgaria, where it is quite a common surname, Ukraine, where it is a rare surname, and Belarus. In absolute terms, it most frequently occurs in Eastern Europe, particularly Bulgaria, Ukraine, and Russia. Also, Sorka is the forename as well as the last name.