Giljević families are Croats and they are mostly from Ploce. In the past century, relatively most of Croatian residents bearing this family name were born in Metkovic and Ploce. In Baćina in Ploce every sixth inhabitant had the family name Giljević.
Prevalence
About 120 people with faimily name Giljević live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 9 cities and threee other places, mostly in Bacina (35), Ploce (35), Zagreb (30), Split (<10), and in Rijeka (<10).
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.