In Croatia, Kavain families are Croats (from Sinj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sinj and Split.
Prevalence
About 40 people with faimily name Kavain live in Croatia today, in 17 households. There were 0 of them in the middle of the past century, and their number multiplied. They are located in 6 Croatian counties, in 8 cities and two other places, mostly in Caporice in Sinj area (15), Split (<10), Trilj in Sinj area (<10), Mokosica (<5), and in Zadar (<5).