In this world map, you can check at a single glance which countries have more people with the surname Tarrio. As you can see, it's effortless to notice which countries have a higher number of people carrying the Tarrio surname.
Using graphic elements like this world map, to see in which countries or regions of the world the surname Tarrio is more common, is of great help.
The quantity of people with the surname Tarrio that we can find in each country can help us discern the origin of the surname Tarrio, as logic tells us that the place with the most people surnamed Tarrio will be the country or area of origin of the surname Tarrio.