In Croatia, Greif families are generally Croats (from Osijek area ), very rarely Germans (also from Osijek area ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Velika Gorica.
Prevalence
About 20 people with faimily name Greif live in Croatia today, in 8 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in only four Croatian places: in Zagreb (<10), Klokovec in Krapina area (<5), Mraclin (<5), and in Ernestinovo in Osijek area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.