In Croatia, Grejanec families are Croats (from Djurdjevac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area.
Prevalence
Only a few people with faimily name Grejanec live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee naselja i to in Djurdjevac (<5), Velika Gorica (<5), and in Kozarevac in Djurdjevac area (<5).
Outside Croatia
Family name Grejanec is present in this form only in Croatia.