Junačko families are Croats and they are mostly from Krizevci area. In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Krapina.
Prevalence
About 80 people with faimily name Junačko live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number increased by 40 percent. They are located in 7 Croatian counties, in 7 cities and threee other places, mostly in Slavonski Brod (30), Drenje in Djakovo area (20), Velika Ves (15), Zagreb (10), and in Zrinski Topolovac in Krizevci area (<10).
Outside Croatia
Family name Junačko 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 2007 in source Encyclopaedia of Croatian Surnames.