In Croatia, Celišćak families are Croats (from Koprivnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Koprivnica.
Prevalence
Only a few people with faimily name Celišćak live in Croatia today, in three households only. There were 80 of them in the middle of the past century, and their number decreased significantly. They are located in only threee naselja i to in Mali Otok in Koprivnica area (<5), Zagreb (<5), and in Koprivnica (<5).
Outside Croatia
Family name Celišćak is present in this form only in Croatia.