In Croatia, Kotiščak families are Croats (from Ludbreg area ). In the past century, relatively most of Croatian residents bearing this family name were born in Ludbreg and Varazdin. In Vojvodinec in Koprivnica area every ninth inhabitant had the family name Kotiščak.
Prevalence
About 30 people with faimily name Kotiščak live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, in one city and 6 other places, mostly in Lunjkovec in Ludbreg area (15), Rasinja in Koprivnica area (<5), Struga in Ludbreg area (<5), Vojvodinec in Koprivnica area (<5), and in Sveti Djurdj in Ludbreg area (<5).
Outside Croatia
Family name Kotiščak is present in this form only in Croatia.