In Croatia, Jozefčak families are predominantly Croats (from Djakovo area ), rarely Slovaks (also from Djakovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Djakovo area.
Prevalence
About 10 people with faimily name Jozefčak live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Osijek (<10), Cepin in Osijek area (<5), Jurjevac Punitovacki in Djakovo area (<5), Zagreb (<5), and in Livana in Osijek area (<5).