In Croatia, Nuk families are generally Croats (from Virovitica area ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica area and in Zagreb.
Prevalence
About 20 people with faimily name Nuk live in Croatia today, in 9 households. There were 40 of them in the middle of the past century, and their number halved. They are located in four Croatian counties, threee cities and threee other places, mostly in Suhopolje in Virovitica area (10), Zagreb (<5), Virovitica (<5), Umag (<5), and in Okrug Gornji on the Island of Ciovo (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1943 in source Directorium ARCHI-DIOECESI ZAGREBIENSI.