In Croatia, Djerek families are Croats (from Imotsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Zepce area) and in Middle Bosnia (Zenica area).
Prevalence
Only a few people with faimily name Djerek live in Croatia today, in three households only. They are located in 8 Croatian counties and 5 other places, mostly in Split (<5), Rijeka (<5), Pula (<5), Karlovac (<5), and in Ivankovo in Vinkovci area (<5).
Outside Croatia
Family name Djerek is present in five countries on two continents. "Dierek " is used by few 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 1937 in source Emigration Commission Zagreb.