In Croatia, Junek families are generally Croats (from Pleternica ), very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pleternica.
Prevalence
About 30 people with faimily name Junek live in Croatia today, in 12 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are located in 6 Croatian counties, in 7 cities and another small place , mostly in Zagreb (<10), Bresnica (<10), Pozega (<10), Sveta Nedelja in Samobor area (<5), and in Slavonski Brod (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.