In Croatia, Bereček families are Croats (from Jastrebarsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Zagreb.
Prevalence
About 30 people with faimily name Bereček live in Croatia today, in 13 households. There were 70 of them in the middle of the past century, and their number decreased significantly. They are located in only four naselja i to in Donji Desinec (20), Samobor (<5), Jastrebarsko (<5), and in Zagreb (<5).
Outside Croatia
At least three families with this surname emigrated from Croatia to the United States. Family name Bereček is present in two countries on two continents. The family name "Berecek " is used by some 200 people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.