In Croatia, Arh families are generally Croats (from Cabar ), very rarely Slovenes (also from Cabar ). In the past century, relatively most of Croatian residents bearing this family name were born in Cabar and in Slovenia. In Crni Lazi in Cabar every sixth inhabitant had the family name Arh.
Prevalence
About 50 people with faimily name Arh live in Croatia today, in 19 households. There were 50 of them in the middle of the past century, and their number remains constant. They are only located in in 7 Croatian cities and threee other places, mostly in Crni Lazi (<10), Lazi (<10), Trsce (<10), Rijeka (<5), and in Samobor (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over forty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.