In Croatia, Renjak families are Croats (from Krizevci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Krizevci area.
Prevalence
About 40 people with faimily name Renjak live in Croatia today, in 19 households. There were 50 of them in the middle of the past century, and their number decreased by 10 percent. They are only located in four Croatian cities and 10 other places, mostly in Zagreb (10), Krizevci (<10), Zamladinec in Krizevci area (<10), Prokljuvani (<10), and in Bjelovar (<5).
Outside Croatia
Family name Renjak (including: Renyak , Reniak ) is present in 7 countries on two continents. "Renyak " is used by small number of people in the United States.
