Thanks to this world map that shows the density of people with the surname Korkosh in different countries, you can get an idea not only of the popularity of the surname Korkosh in each country but also of the different migrations of people surnamed Korkosh.
The quantity of people with the surname Korkosh that we can find in each country can help us discern the origin of the surname Korkosh, as logic tells us that the place with the most people surnamed Korkosh will be the country or area of origin of the surname Korkosh.