Zeljković families are mainly Croats and they are mostly from Omis , also Serbs, very rarely Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Omis and Split. In Trnbusi in Omis every ninth inhabitant had the family name Zeljković.
Prevalence
About 140 people with faimily name Zeljković live in Croatia today, in 60 households. There were 120 of them in the middle of the past century, and their number increased by 20 percent. They are located in 10 Croatian counties, in 14 cities and 16 other places, mostly in Zagreb (35), Omis (15), Solin (15), Trnbusi (15), and in Tvrdjavica (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.