In Croatia, Fraj families are generally Croats (from Slatina area ), very rarely Hungarians (from Pakrac ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Pula and Pakrac.
Prevalence
About 30 people with faimily name Fraj live in Croatia today, in 17 households. There were 90 of them in the middle of the past century, and their number decreased significantly. They are located in 6 Croatian counties, in 7 cities and 6 other places, mostly in Pula (<10), Zagreb (<5), Daruvar (<5), Pazin (<5), and in Vardarac in Osijek area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1933 in source Emigration Commission Zagreb.