Gredičak families are Croats and they are mostly from Oroslavje. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Oroslavje. In Mokrice in Oroslavje every sixth inhabitant had the family name Gredičak.
Prevalence
About 220 people with faimily name Gredičak live in Croatia today, in 90 households. There were 200 of them in the middle of the past century, and their number increased by 10 percent. They are located in 8 Croatian counties, in 9 cities and 11 other places, mostly in Mokrice (60), Oroslavje (55), Zagreb (35), and in Stubicke Toplice (15) and Strmec Stubicki (10) in Oroslavje area.
Outside Croatia
Family name Gredičak (including: Gredicak , Gredichak ) is present in five countries on two continents. The family name "Gredicak " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.