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