Sruk families are Croats and they are mostly from Zagreb. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Kutina.
Prevalence
About 320 people with faimily name Sruk live in Croatia today, in 130 households. There were 350 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 9 Croatian counties, in 14 cities and 11 other places, mostly in Zagreb (260), Kutina (25), Sisak (<10), Sesvete (<10), and in Dugo Selo (<10).