Using graphic elements like this world map, to see in which countries or regions of the world the surname De-cadiz is more common, is of great help.
The quantity of people with the surname De-cadiz that we can find in each country can help us discern the origin of the surname De-cadiz, as logic tells us that the place with the most people surnamed De-cadiz will be the country or area of origin of the surname De-cadiz.