Serdar families are predominantly Croats and they are mostly from Obrovac area , less frequently Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Gospic and in Obrovac area.
Prevalence
About 490 people with faimily name Serdar live in Croatia today, in 220 households. There were 420 of them in the middle of the past century, and their number increased by 20 percent. They are located in almost all Croatian counties, in 34 cities and 54 other places, mostly in Zagreb (160), Gospic (45), Split (25), Rijeka (25), and in Slavonski Brod (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.