The quantity of people with the surname Thern that we can find in each country can help us discern the origin of the surname Thern, as logic tells us that the place with the most people surnamed Thern will be the country or area of origin of the surname Thern.
Locating at a single glance the countries where the surname Thern is more abundant, as well as the areas of the globe where there are hardly any people with the surname Thern, is of great utility for individuals interested in surnames, and specifically in the surname Thern, as it allows them to quickly and easily visualize the data and its distribution."