In Croatia, Štruk families are Croats (from Pregrada ). In the past century, relatively most of Croatian residents bearing this family name were born in Pregrada and Zagreb.
Prevalence
About 40 people with faimily name Štruk live in Croatia today, in 18 households. There were 20 of them in the middle of the past century, and their number doubled. They are located in four Croatian counties, four cities and four other places, mostly in Zagreb (15), Pregrada (10), Vojsak (<10), Bjelovar (<5), and in Varazdin (<5).