In Croatia, Arnuš families are almost entirely Croats (from Mursko Sredisce area ), very rarely Slovenes (from Slovenia ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Beli Manastir area.
Prevalence
About 40 people with faimily name Arnuš live in Croatia today, in 14 households. There were 20 of them in the middle of the past century, and their number doubled. They are located in 6 Croatian counties, four cities and 7 other places, mostly in Zagreb (10), Dugo Selo (<10), Grabrovnik in Mursko Sredisce area (<10), Gorican in Cakovec area (<10), and in Zapresic (<5).