In Croatia, Jazvinšćak families are predominantly Croats (from Krapina ), rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Krapina.
Prevalence
Only a few people with faimily name Jazvinšćak live in Croatia today, in five households only. They are located in two Croatian cities only, in Zagreb (<10) and Zutnica (<5).
Outside Croatia
Family name Jazvinšćak is present in this form only in Croatia.