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