In Croatia, Marčun families are Croats (from Varazdin area ). In the past century, relatively most of Croatian residents bearing this family name were born in Varazdin and in Varazdin area.
Prevalence
About 40 people with faimily name Marčun live in Croatia today, in 11 households. There were 20 of them in the middle of the past century, and their number doubled. They are only located in threee Croatian cities and 6 other places, mostly in Varazdin (15), Beretinec in Varazdin area (<10), Varazdinske Toplice (<5), Jalzabet in Ludbreg area (<5), and in Seketin in Varazdin area (<5).