In Croatia, Arvai families are predominantly Hungarians (from Backa, Vojvodina ), rarely Russians (from Ilok ). In the past century, relatively most of Croatian residents bearing this family name were born in Backa, Vojvodina.
Prevalence
Only a few people with faimily name Arvai live in Croatia today, in three households only. They are located in three Croatian cities only: in Rijeka (<5), Ilok (<5), and in Kraljevica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.