In Croatia, Fischbach families are Croats (from Osijek ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek.
Prevalence
Only a few people with faimily name Fischbach live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number decreased significantly. They are located in one Croatian city only, in Osijek (<10).
Outside Croatia
Family name Fischbach is present in 40 countries worldwide. The family name "Fischbach " is used by some 5000 people in Germany , about 3000 in the United States , and some 600 people in France.
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.