In Croatia, Gronih families are Croats (from Vrbovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec area and in Zagreb.
Prevalence
About 10 people with faimily name Gronih live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Vrbovec (<5), and in Gornji Marinkovac (<5) and Dubrava (<5) in Vrbovec area.