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