In Croatia, Gucul families are predominantly Croats (from Opatija area ), rarely Hungarians, and . In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka and in Slovenia.
Prevalence
About 10 people with faimily name Gucul live in Croatia today, in 7 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, threee cities and threee other places, mostly in Opatija (<10), in Rukavac (<5) and Lovran (<5) in Opatija area, Kastav (<5), and in Umag (<5).
Outside Croatia
Family name Gucul is present in 6 countries on two continents.