In Croatia, Bercich families are predominantly Italians (from Rijeka ), rarely Croats (from Rijeka area ). In the past century, relatively most of Croatian residents bearing this family name were born in Rijeka.
Prevalence
Only a few people with faimily name Bercich live in Croatia today, in two households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are only located in in one Croatian city and another small place , mostly in Viskovo in Rijeka area (<5) and Rijeka (<5).
Outside Croatia
Family name Bercich is present in 6 countries on four continents. The family name "Bercich " is used by some 70 people in the United States , small number in Australia , and small number of people in Argentina.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1736 in source Catholic Church Parish Records.