In Croatia, Erdeg families are generally Croats (from Osijek area ), rarely Hungarians (from Osijek area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Osijek area. In Beketinci in Osijek area every fourtieth inhabitant had the family name Erdeg.
Prevalence
About 50 people with faimily name Erdeg live in Croatia today, in 16 households. There were 50 of them in the middle of the past century, and their number remains constant. They are located in two Croatian counties, two cities and 7 other places, mostly in Cepin (15) and Darda (<10) in Osijek area, Vuka in Djakovo area (<10), Beketinci in Osijek area (<10), and in Osijek (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1929 in source Emigration Commission Zagreb.