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