In Croatia, Erušić families are Croats (from Duga Resa area ). In the past century, relatively most of Croatian residents bearing this family name were born in Garesnica and Vrbovec.
Prevalence
About 10 people with faimily name Erušić live in Croatia today, in five households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are only located in threee Croatian cities and threee other places, mostly in Brcevec (<10), Rijeka (<5), Krnjak in Duga Resa area (<5), Ciglenica (<5), and in Garesnica (<5).
Outside Croatia
Family name Erušić (including: Erusic , Erusich ) is present in three countries.