In Croatia, Širučka families are Croats (from Vrbovec area ). In the past century, relatively most of Croatian residents bearing this family name were born in Vrbovec area and in Zagreb.
Prevalence
Only a few people with faimily name Širučka live in Croatia today, in two households only. There were 20 of them in the middle of the past century, and their number halved. They are located in only one small Croatian place, in Zgalisce in Vrbovec area (<10).