In Croatia, Friedrich families are predominantly Croats (from Virovitica ), very rarely Jews (from Zagreb ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Osijek.
Prevalence
About 30 people with faimily name Friedrich live in Croatia today, in 15 households. There were 20 of them in the middle of the past century, and their number increased by 110 percent. They are located in 7 Croatian counties, in 7 cities and 6 other places, mostly in Zagreb (10), Virovitica (<10), Viskovci in Djakovo area (<10), Vinkovci (<5), and in Vodice (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over twenty times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.