In Croatia, Čadro families are Croats (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula area and in Pula.
Prevalence
About 10 people with faimily name Čadro live in Croatia today, in five households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Pula (15), Medulin in Pula area (<5), and in Silba (<5).