In Croatia, Strejček families are predominantly Croats (from Velika Gorica area ), rarely Czechs (from Daruvar ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Bosnian Krajina (Bosanska Dubica area).
Prevalence
About 40 people with faimily name Strejček live in Croatia today, in 17 households. There were 20 of them in the middle of the past century, and their number doubled. They are located in 6 Croatian counties, in 7 cities and 7 other places, mostly in Zagreb (10), Daruvar (<10), Virovitica (<10), Glina (<10), and in Gornje Podotocje (<5).