Thanks to this world map that shows the density of people with the surname Brisai in different countries, you can get an idea not only of the popularity of the surname Brisai in each country but also of the different migrations of people surnamed Brisai.
The quantity of people with the surname Brisai that we can find in each country can help us discern the origin of the surname Brisai, as logic tells us that the place with the most people surnamed Brisai will be the country or area of origin of the surname Brisai.