In Croatia, Šimećak families are Croats (from Ozalj area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ilok and in Ozalj area. In Vlašić Brdo in Ozalj area every tenth inhabitant had the family name Šimećak.
Prevalence
Only a few people with faimily name Šimećak live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Ilok (<10), Cabuna in Virovitica area (<5), and in Samobor (<5).