In Croatia, Ružđak families are Croats (from Zlatar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zlatar area.
Prevalence
About 40 people with faimily name Ružđak live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties, threee cities and four other places, mostly in Zagreb (20), in Persaves (10) and Vukanci (<10) in Zlatar area, Zapresic (<10), and in Prigorje Brdovecko in Zapresic area (<5).
