In Croatia, Cavo families are generally Italians (from Umag ), rarely Croats (from Buje ). In the past century, relatively most of Croatian residents bearing this family name were born in Buje and Umag.
Prevalence
About 10 people with faimily name Cavo live in Croatia today, in five households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only two Croatian places: in Savudrija (<10) and Crveni Vrh (<5).