Katunar families are Croats and they are mostly from Novi Vinodolski area. In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Novi Vinodolski area.
Prevalence
About 90 people with faimily name Katunar live in Croatia today, in 40 households. There were 90 of them in the middle of the past century, and their number remains constant. They are located in 10 Croatian counties, in 16 cities and 13 other places, mostly in Rijeka (20), Crikvenica (10), Vrbnik on the Island of Krk (10), Zagreb (<10), and in Krk on the Island of Krk (<10).
Outside Croatia
At least six families with this surname emigrated from Croatia to the United States (5) and Australia (1). Family name Katunar (including: Cattunar , Khatunar ) is present in 11 countries worldwide. "Cattunar " is used by some 90 people in Italy , small number in the United States , and small number of people in Australia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 2007 in source Encyclopaedia of Croatian Surnames.