Thanks to this world map that shows the density of people with the surname Errezola in different countries, you can get an idea not only of the popularity of the surname Errezola in each country but also of the different migrations of people surnamed Errezola.
The quantity of people with the surname Errezola that we can find in each country can help us discern the origin of the surname Errezola, as logic tells us that the place with the most people surnamed Errezola will be the country or area of origin of the surname Errezola.
Locating at a single glance the countries where the surname Errezola is more abundant, as well as the areas of the globe where there are hardly any people with the surname Errezola, is of great utility for individuals interested in surnames, and specifically in the surname Errezola, as it allows them to quickly and easily visualize the data and its distribution."