In Croatia, Kren families are generally Croats (from Cakovec area ), very rarely Hungarians (from Zagreb ), and barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Cakovec area.
Prevalence
About 80 people with faimily name Kren live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number remains constant. They are located in 10 Croatian counties, in 9 cities and 10 other places, mostly in Zagreb (25), Cakovec (10), Sesvete (<10), Rijeka (<10), and in Senj (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.