In Croatia, Bonazza families are predominantly Croats (from Umag ), rarely Italians (from Pula ). In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Umag.
Prevalence
About 20 people with faimily name Bonazza live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five Croatian places: in Pula (<10), Savudrija (<5), Rukavac in Opatija area (<5), Rovinj (<5), and in Jadreski in Pula area (<5).
Outside Croatia
Family name Bonazza is present in 16 countries worldwide.