In Croatia, Grinžek families are Croats (from Krapina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zabok and in Krapina area.
Prevalence
About 10 people with faimily name Grinžek live in Croatia today, in four households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only four naselja i to in Grdenci (<10), Donje Jesenje in Krapina area (<10), Zapresic (<5), and in Kuzminec in Krapina area (<5).
Outside Croatia
Family name Grinžek is present in this form only in Croatia.
