In Croatia, Hagenauer 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 Hagenauer live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in one Croatian city only, in Zagreb (<10).
Outside Croatia
Family name Hagenauer is present in 10 countries on three continents. The family name "Hagenauer " is used by some 600 people in Germany , about 400 in Austria , and some 90 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.