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