Jambriško families are Croats and they are mostly from Varazdin area. In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Varazdin area.
Prevalence
About 80 people with faimily name Jambriško live in Croatia today, in 30 households. There were 50 of them in the middle of the past century, and their number increased by 50 percent. They are located in threee Croatian counties, threee cities and 11 other places, mostly in Petrijanec (25) and Sracinec (20) in Varazdin area, Varazdin (<10), Zagreb (<10), and in Trnovec in Varazdin area (<5).
Outside Croatia
Family name Jambriško is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.