Jambrešić families are Croats and they are mostly from Zabok area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Varazdin. In Habjanovac in Vrbovec area every sixth inhabitant had the family name Jambrešić.
Prevalence
About 750 people with faimily name Jambrešić live in Croatia today, in 310 households. There were 710 of them in the middle of the past century, and their number increased by 0 percent. They are located in almost all Croatian counties, in 42 cities and 91 other places, mostly in Zagreb (240), Ivanic-Grad (30), Radakovo in Zabok area (30), Sesvete (25), and in Sveta Marija in Prelog area (25).
Outside Croatia
At least 11 families with this surname emigrated from Croatia to: Switzerland (6), Germany (4), and to the United States (1). Family name Jambrešić is present in two countries.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1701 in source Catholic Church Parish Records.