In Croatia, Širjan families are Croats (from Krizevci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Krizevci area and in Zagreb. In Kusijevec in Krizevci area every fifth inhabitant had the family name Širjan.
Prevalence
About 60 people with faimily name Širjan live in Croatia today, in 20 households. There were 100 of them in the middle of the past century, and their number decreased by 40 percent. They are located in threee Croatian counties and 9 other places, mostly in Kusijevec (15) and Kapela Ravenska (10) in Krizevci area, Zagreb (<10), and in Donji Fodrovec (<5) and Gornji Fodrovec (<5) in Krizevci area.