In Croatia, Koraj families are Croats (from Mursko Sredisce area ). In the past century, relatively most of Croatian residents bearing this family name were born in Mursko Sredisce area and in Zagreb.
Prevalence
About 40 people with faimily name Koraj live in Croatia today, in 17 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in two Croatian counties, two cities and 7 other places, mostly in Zagreb (10), Donji Koncovcak in Mursko Sredisce area (10), Cakovec (<10), and in Sveti Martin na Muri (<5) and Jurovec (<5) in Mursko Sredisce area.