In Croatia, Javoršćak families are Croats (from Ozalj ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Ozalj.
Prevalence
About 20 people with faimily name Javoršćak live in Croatia today, in 8 households. There were 30 of them in the middle of the past century, and their number decreased by 40 percent. They are located in threee Croatian counties, threee cities and four other places, mostly in Stubicke Toplice in Oroslavje area (<10), Zagreb (<5), Karlovac (<5), Donji Ostri Vrh Ozaljski (<5), and in Ozalj (<5).
Outside Croatia
At least six families with this surname emigrated from Croatia to: Germany (3), the United States (2), and to Australia (1). Family name Javoršćak is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.