In Croatia, Fridrich families are generally Croats (from Pleternica area ), very rarely Germans (from Ivanic-Grad area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica area and in Djakovo area.
Prevalence
About 30 people with faimily name Fridrich live in Croatia today, in 16 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in 7 Croatian counties, in 9 cities and 6 other places, mostly in Zagreb (10), Frkljevci (<10), Pozega (<5), Vladislavci in Djakovo area (<5), and in Cepin in Osijek area (<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.