Jambreković families are Croats and they are mostly from Bjelovar area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Bjelovar area.
Prevalence
About 110 people with faimily name Jambreković live in Croatia today, in 40 households. There were 180 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 8 Croatian counties, in 12 cities and 19 other places, mostly in Zagreb (20), Bjelovar (20), Mali Bukovec in Zlatar area (15), Djelekovec in Koprivnica area (10), and in Djakovo (<10).
Outside Croatia
Family name Jambreković is present in four countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1769 in source 18th Century Census.