In Croatia, Nosek families are Croats (from Novi Marof area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Slavonski Brod.
Prevalence
About 30 people with faimily name Nosek live in Croatia today, in 14 households. There were 30 of them in the middle of the past century, and their number remains constant. They are only located in threee Croatian cities and 7 other places, mostly in Zagreb (15), Tuk in Bjelovar area (<5), Breznicki Hum in Novi Marof area (<5), Sisak (<5), and in Kupinec in Jastrebarsko area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1930 in source Emigration Commission Zagreb.