In Croatia, Kužina families are Croats (from Sibenik ). In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and Zagreb.
Prevalence
About 20 people with faimily name Kužina live in Croatia today, in 12 households. There were 30 of them in the middle of the past century, and their number decreased by 30 percent. They are located and another small Croatian place , mostly in Zagreb (<10), Sibenik (<10), Ivanic-Grad (<5), Rijeka (<5), and in Beram (<5).