In Croatia, Zado families are generally Croats (from Pozega ), very rarely Slovenes. In the past century, relatively most of Croatian residents bearing this family name were born in Pozega.
Prevalence
About 10 people with faimily name Zado live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in three Croatian cities only: in Zagreb (<5), Velika Gorica (<5), and in Pozega (<5).
Outside Croatia
Family name Zado (including: Zadoo , Zadhoo ) is present in 25 countries worldwide. The family name "Zado " is used by some 100 people in Germany , about 100 in Canada , and some 50 people in the United States. "Zadoo " is used by small number of people in the United States , small number in Poland , and small number of people in Germany.