In Croatia, Reljan families are mainly Croats (from Drnis area ), less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Drnis area and in Knin.
Prevalence
About 30 people with faimily name Reljan live in Croatia today, in 18 households. There were 40 of them in the middle of the past century, and their number decreased by 10 percent. They are located in 6 Croatian counties, in 7 cities and two other places, mostly in Golubic (<10), Visnjevac (<10), Sibenik (<10), Zagreb (<5), and in Solin (<5).