In Croatia, Kovak families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb.
Prevalence
About 20 people with faimily name Kovak live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in three Croatian cities only: in Sibenik (<10), Zagreb (<5), and in Vodice (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over a hundred times, the first time 1691 in source Catholic Church Parish Records.