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