In Croatia, Jambrečec families are Croats (from Dugo Selo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Dugo Selo area. In Črnec Rugvički in Dugo Selo area every fourth inhabitant had the family name Jambrečec.
Prevalence
About 30 people with faimily name Jambrečec live in Croatia today, in 9 households. There were 50 of them in the middle of the past century, and their number decreased by 50 percent. They are located in threee Croatian counties and threee other places, mostly in Dugo Selo (15), in Jalsevec Nartski (10), Donje Dvorisce (<10) and Gornja Greda (<5) in Dugo Selo area, and in Sesvete (<5).
Outside Croatia
Family name Jambrečec is present in this form only in Croatia.