Gazdek families are Croats and they are mostly from Djurdjevac area. In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica and Varazdin.
Prevalence
About 300 people with faimily name Gazdek live in Croatia today, in 110 households. There were 380 of them in the middle of the past century, and their number decreased by 20 percent. They are located in the most of Croatian counties, in 19 cities and 46 other places, mostly in Repas in Djurdjevac area (40), Zagreb (30), Molve in Djurdjevac area (20), Koprivnica (20), and in Vidovec in Varazdin area (15).
Outside Croatia
Family name Gazdek is present in 7 countries on three continents. The family name "Gazdek " is used by small number of people in the United States. "Gazdeck " 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 2007 in source Encyclopaedia of Croatian Surnames.