In this world map, you can check at a single glance which countries have more people with the surname Marzelli. As you can see, it's effortless to notice which countries have a higher number of people carrying the Marzelli surname.
Thanks to this world map that shows the density of people with the surname Marzelli in different countries, you can get an idea not only of the popularity of the surname Marzelli in each country but also of the different migrations of people surnamed Marzelli.
Locating at a single glance the countries where the surname Marzelli is more abundant, as well as the areas of the globe where there are hardly any people with the surname Marzelli, is of great utility for individuals interested in surnames, and specifically in the surname Marzelli, as it allows them to quickly and easily visualize the data and its distribution."