In Croatia, Idek families are Croats (from Slatina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Slatina area and in Virovitica.
Prevalence
About 20 people with faimily name Idek live in Croatia today, in 9 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in five Croatian cities only: in Slatina (10), Virovitica (<10), Zagreb (<5), Velika Gorica (<5), and in Rijeka (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.