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