In Croatia, Ofak families are generally Croats (from Ozalj area ), very rarely Serbs, and . In the past century, relatively most of Croatian residents bearing this family name were born in Ozalj area and in Samobor.
Prevalence
About 30 people with faimily name Ofak live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 6 cities and threee other places, mostly in Zagreb (<10), Pravutina in Ozalj area (<10), Pula (<5), Karlovac (<5), and in Brodarica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1937 in source Emigration Commission Zagreb.