In Croatia, Rujak families are mainly Serbs, equally Croats (also from Benkovac ). In the past century, relatively most of Croatian residents bearing this family name were born in Benkovac and Zadar. In Nadin in Benkovac every fiftieth inhabitant had the family name Rujak.
Prevalence
About 40 people with faimily name Rujak live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number decreased by 50 percent. They are located in 6 Croatian counties, in 7 cities and 7 other places, mostly in Zadar (<10), Nadin (<10), Rijeka (<10), Pula (<10), and in Makarska (<5).