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