In Croatia, Groman families are almost entirely Croats (from Mursko Sredisce area ), very rarely Hungarians (from Beli Manastir area ). In the past century, relatively most of Croatian residents bearing this family name were born in Mursko Sredisce area and in Cakovec.
Prevalence
About 30 people with faimily name Groman live in Croatia today, in 15 households. There were 20 of them in the middle of the past century, and their number increased by 50 percent. They are located in 7 Croatian counties, in 7 cities and 8 other places, mostly in Cakovec (<10), Virovitica (<10), Hreljin (<5), Vratisinec in Mursko Sredisce area (<5), and in Rezovac (<5).