In Croatia, Zetković families are Croats (from Velika Gorica ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Velika Gorica.
Prevalence
About 20 people with faimily name Zetković live in Croatia today, in 6 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Velika Gorica (<10), Novo Cice (<10), Rakitovec (<5), Mursko Sredisce (<5), and in Vukovina (<5).
Outside Croatia
Family name Zetković 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 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.