Thanks to this world map that shows the density of people with the surname Gravens in different countries, you can get an idea not only of the popularity of the surname Gravens in each country but also of the different migrations of people surnamed Gravens.
Locating at a single glance the countries where the surname Gravens is more abundant, as well as the areas of the globe where there are hardly any people with the surname Gravens, is of great utility for individuals interested in surnames, and specifically in the surname Gravens, as it allows them to quickly and easily visualize the data and its distribution."