In Croatia, Erdelec families are Croats (from Djurdjevac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djurdjevac area and in Djurdjevac area.
Prevalence
About 30 people with faimily name Erdelec live in Croatia today, in 10 households. There were 40 of them in the middle of the past century, and their number decreased by 30 percent. They are located in only five naselja i to in Kalinovac in Djurdjevac area (30), Fericanci in Orahovica area (<5), Zagreb (<5), Hvar on the Island of Hvar (<5), and in Budancevica in Djurdjevac area (<5).
Outside Croatia
Family name Erdelec is present in three countries on two continents. The family name "Erdelec " is used by few people in the United States. "Erdelez " 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 1930 in source Emigration Commission Zagreb.