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