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