Using graphic elements like this world map, to see in which countries or regions of the world the surname Mazzilli is more common, is of great help.
The quantity of people with the surname Mazzilli that we can find in each country can help us discern the origin of the surname Mazzilli, as logic tells us that the place with the most people surnamed Mazzilli will be the country or area of origin of the surname Mazzilli.