In Croatia, Jošćak families are generally Croats (from Daruvar ), very rarely Czechs (also from Daruvar ). In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar and Pakrac.
Prevalence
About 10 people with faimily name Jošćak live in Croatia today, in five households only. They are located in only threee naselja i to in Daruvar (<10), Garesnica (<5), and in Miljanovac in Daruvar area (<5).