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