In Croatia, Kukelšćak families are Croats (from Koprivnica ). In the past century, relatively most of Croatian residents bearing this family name were born in Lepoglava area and in Koprivnica.
Prevalence
Only a few people with faimily name Kukelšćak live in Croatia today, in one household only. They are located in one Croatian city only, in Koprivnica (<5).
Outside Croatia
Family name Kukelšćak is present in this form only in Croatia.