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