In Croatia, Kljus families are Croats (from Slavonski Brod area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo area and in Slavonski Brod area.
Prevalence
About 20 people with faimily name Kljus live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in only five naselja i to in Garcin in Slavonski Brod area (<10), Josipovac (<10), Osijek (<5), Bicko Selo in Slavonski Brod area (<5), and in Visnjevac (<5).