In Croatia, Serba families are Croats (from Slavonski Brod area ). In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod area and in Bosanian Posavina (Odzak area).
Prevalence
About 10 people with faimily name Serba live in Croatia today, in two households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Gromacnik in Slavonski Brod area (<10) and Slavonski Brod (<5).