In Croatia, Grediček families are Croats (from Kutina area ). In the past century, relatively most of Croatian residents bearing this family name were born in Kutina and in Kutina area.
Prevalence
About 50 people with faimily name Grediček live in Croatia today, in 20 households. There were 30 of them in the middle of the past century, and their number increased by 80 percent. They are located and 6 other Croatian places, mostly in Zagreb (<10), Struzec in Kutina area (<10), Varazdin (<10), Gornja Vrba in Slavonski Brod area (<10), and in Osekovo in Kutina area (<10).
Outside Croatia
Family name Grediček is present in two countries on two continents. The family name "Gredicek " 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 few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.