Using graphic elements like this world map, to see in which countries or regions of the world the surname Sonau is more common, is of great help.
Thanks to this world map that shows the density of people with the surname Sonau in different countries, you can get an idea not only of the popularity of the surname Sonau in each country but also of the different migrations of people surnamed Sonau.
Globalization can make the surname Sonau be found in almost every country around the globe, but being able to see the density of people residing in a country with the surname Sonau greatly aids all those who seek a deeper knowledge about the surname Sonau.