In Croatia, Hreljac families are almost entirely Croats (from Novi Vinodolski area ), barely Russians (also from Novi Vinodolski area ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Serbia.
Prevalence
About 60 people with faimily name Hreljac live in Croatia today, in 30 households. There were 70 of them in the middle of the past century, and their number decreased by 20 percent. They are only located in in 7 Croatian cities and threee other places, mostly in Rijeka (15), Grizane-Belgrad in Novi Vinodolski area (15), Crikvenica (10), Karlovac (<10), and in Varazdin (<10).
Outside Croatia
Family name Hreljac is present in five countries on two continents.
