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