In Croatia, Capak families are Croats (from Zagreb ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 50 people with faimily name Capak live in Croatia today, in 20 households. There were 80 of them in the middle of the past century, and their number decreased by 30 percent. They are located in two Croatian counties, in one city and another small place , mostly in Zagreb (55) and Dubravica in Klanjec area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.