The quantity of people with the surname Mazzetti that we can find in each country can help us discern the origin of the surname Mazzetti, as logic tells us that the place with the most people surnamed Mazzetti will be the country or area of origin of the surname Mazzetti.
Globalization can make the surname Mazzetti be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Mazzetti greatly aids all those who seek a deeper knowledge about the surname Mazzetti.