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