In Croatia, Ballarin families are Croats (from Split ). In the past century, relatively most of Croatian residents bearing this family name were born in Split.
Prevalence
Only a few people with faimily name Ballarin live in Croatia today, in one household only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in two Croatian cities only, in Split (<5) and Rovinj (<5).
Outside Croatia
Family name Ballarin is present in 36 countries worldwide.