In Croatia, Cvrtak families are Croats (from Middle Bosnia ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Gornji Vakuf area) and in Kutina.
Prevalence
About 30 people with faimily name Cvrtak live in Croatia today, in 15 households. They are located in 7 Croatian counties, in 8 cities and two other places, mostly in Visnjevac (10), Zagreb (<10), Trogir (<10), Split (<5), and in Donja Lomnica (<5).