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