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