In Croatia, Virth families are Croats (from Ivanec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and in Ivanec area.
Prevalence
About 10 people with faimily name Virth live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, threee cities and threee other places, mostly in Koprivnica (<10), Zagreb (<5), Donje Ladanje in Ivanec area (<5), Bakovcica (<5), and in Varazdin (<5).