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