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