In Croatia, Dernaj families are Croats (from Djakovo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Djakovo area and in Djakovo.
Prevalence
About 30 people with faimily name Dernaj live in Croatia today, in 14 households. There were 20 of them in the middle of the past century, and their number increased by 130 percent. They are located in threee Croatian counties, four cities and 6 other places, mostly in Osijek (15), Podgorac in Nasice area (<5), Drenje in Djakovo area (<5), Rijeka (<5), and in Djakovo (<5).
Outside Croatia
Family name Dernaj (including: Dernay , Dernai ) is present in 6 countries on three continents. "Dernay " is used by small number of people in the United States.
