In Croatia, Koutek families are Croats by relative majority (from Zagreb ), equally Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Slavonski Brod and Zagreb.
Prevalence
Only a few people with faimily name Koutek live in Croatia today, in two households only. They are located in only four Croatian places: in Pula (<5), Slavonski Brod (<5), Slavonski Kobas in Pleternica area (<5), and in Sorici in Rovinj area (<5).