In Croatia, Berkopec families are predominantly Croats (from Rijeka ), rarely Poles (also from Rijeka ).
Prevalence
Only a few people with faimily name Berkopec 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 two Croatian cities only, in Zagreb (<5) and Rijeka (<5).
Outside Croatia
Family name Berkopec is present in 9 countries on four continents. The family name "Berkopec " is used by some 80 people in the United States , small number in Canada , and small number in Russian Federation.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.