In Croatia, Berčić families are generally Croats (from Samobor ), very rarely Bosniaks (from Rijeka ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Samobor and Zagreb.
Prevalence
About 20 people with faimily name Berčić live in Croatia today, in 10 households. There were 40 of them in the middle of the past century, and their number halved. They are located in four Croatian counties, in 6 cities and two other places, mostly in Zagreb (<10), Rijeka (<10), Nova Vas (<5), Mihatovici (<5), and in Pula (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1669 in source Catholic Church Parish Records.