Zadro families are Croats and they are mostly from Herzegovina (Raska Gora near Mostara). In the past century, relatively most of Croatian residents bearing this family name were born in Herzegovina (Grude area) and in Herzegovina (Mostar area). In Dobroša in Rama (Bosnia) every second inhabitant had the family name Zadro.
Prevalence
About 740 people with faimily name Zadro live in Croatia today, in 290 households. There were 60 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 43 cities and 52 other places, mostly in Zagreb (370), Sesvete (80), Split (35), Pozega (30), and in Osijek (25).
Outside Croatia
At least four families with this surname emigrated from Croatia to: the United States (1), Australia (1), Germany (1), and to Switzerland (1). Family name Zadro is present in 18 countries worldwide.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 2007 in source Encyclopaedia of Croatian Surnames.
