In Croatia, Sedak-Benčić families are almost entirely Croats (from Zlatar area ), barely Macedonians (also 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 60 people with faimily name Sedak-Benčić live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties, four cities and 6 other places, mostly in Zagreb (30), in Veliki Bukovec (10) and Mace (<10) in Zlatar area, Zapresic (<5), and in Samobor (<5).
Outside Croatia
Family name Sedak-Benčić is present in this form only in Croatia.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.