Using graphic elements like this world map, to see in which countries or regions of the world the surname Hartl is more common, is of great help.
The quantity of people with the surname Hartl that we can find in each country can help us discern the origin of the surname Hartl, as logic tells us that the place with the most people surnamed Hartl will be the country or area of origin of the surname Hartl.
Globalization can make the surname Hartl 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 Hartl greatly aids all those who seek a deeper knowledge about the surname Hartl.