Kordej families are Croats and they are mostly from Krapina area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Krapina area.
Prevalence
About 130 people with faimily name Kordej live in Croatia today, in 50 households. There were 110 of them in the middle of the past century, and their number increased by 20 percent. They are located in 9 Croatian counties, in 10 cities and 17 other places, mostly in Zagreb (60), in Mala Erpenja (20) and Cret (<10) in Krapina area, Dalj in Vinkovci area (<10), and in Lovreca Sela in Krapina area (<10).
Outside Croatia
Family name Kordej (including: Cordey , Kordey , Kordee and Kordei ) is present in 22 countries worldwide.
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.