In Croatia, Bergles families are Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
About 10 people with faimily name Bergles live in Croatia today, in four households only. There were 30 of them in the middle of the past century, and their number decreased significantly. They are located in one Croatian city only, in Zagreb (10).
Outside Croatia
Family name Bergles is present in 8 countries on three continents. The family name "Bergles " is used by some 200 people in the United States , small number in Austria , and small number in Canada. "Bergless " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.