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