In Croatia, Nowak families are Croats (from Opatija ). In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac and Opatija.
Prevalence
Only a few people with faimily name Nowak live in Croatia today, in three households only. They are located in four Croatian counties, two cities and two other places, mostly in Zagreb (<5), Djurdjevac (<5), Bol on the Island of Brac (<5), and in Visnjan in Porec area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over three hundred times, the first time 1669 in source Catholic Church Parish Records.