In Croatia, Slonjšek families are Croats (from Zapresic area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zapresic area.
Prevalence
About 20 people with faimily name Slonjšek live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, four cities and two other places, mostly in Zagreb (10), Javorje in Zapresic area (<5), Karlovac (<5), Pustodol (<5), and in Zapresic (<5).
Outside Croatia
Family name Slonjšek is present in this form only in Croatia.
