The quantity of people with the surname Wetterau that we can find in each country can help us discern the origin of the surname Wetterau, as logic tells us that the place with the most people surnamed Wetterau will be the country or area of origin of the surname Wetterau.
Globalization can make the surname Wetterau 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 Wetterau greatly aids all those who seek a deeper knowledge about the surname Wetterau.