Hrdalo families are Croats and they are mostly from Dubrovnik area. In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and Jastrebarsko.
Prevalence
About 60 people with faimily name Hrdalo live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 8 cities and 7 other places, mostly in Dubrovnik (30), Zagreb (10), Prodin Dol (<10), Greda Sunjska in Hrvatska Kostajnica area (<5), and in Donja Reka (<5).
Outside Croatia
Family name Hrdalo is present in 6 countries on four continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.