In Croatia, Rožar families are predominantly Croats (from Porec area ), rarely Italians (also from Porec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Buje and Porec.
Prevalence
About 20 people with faimily name Rožar live in Croatia today, in 10 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Visnjan in Porec area (<10), Novigrad (<5), Umag (<5), Kastelir in Novigrad area (<5), and in Markovac in Porec area (<5).
Outside Croatia
Family name Rožar (including: Rozar , Rozsar ) is present in 16 countries worldwide. The family name "Rozar " is used by some 800 people in the United States , about 200 in Lithuania , and some 200 people in Mauritius.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.