In Croatia, Gerin families are generally Croats (from Beli Manastir area ), rarely Bosniaks (from East Herzegovine ). In the past century, relatively most of Croatian residents bearing this family name were born in Backa, Vojvodina and in Sisak.
Prevalence
About 30 people with faimily name Gerin live in Croatia today, in 17 households. There were 20 of them in the middle of the past century, and their number increased by 40 percent. They are located in 6 Croatian counties, in 6 cities and four other places, mostly in Sisak (<10), Vinkovci (<5), Dubrovnik (<5), Beli Manastir (<5), and in Vrbovec (<5).