In Croatia, Gren families are predominantly Croats (from Nasice ), rarely Slovaks (from Nasice area ). In the past century, relatively most of Croatian residents bearing this family name were born in Nasice.
Prevalence
Only a few people with faimily name Gren live in Croatia today, in four households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in threee Croatian counties, threee cities and threee other places, mostly in Nasice (<5), Breznica Nasicka in Nasice area (<5), Zagreb (<5), Zadar (<5), and in Antunovac in Osijek area (<5).
