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