In Croatia, Proučil families are Croats (from Donji Miholjac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and Koprivnica.
Prevalence
About 10 people with faimily name Proučil live in Croatia today, in two households only. They are located in only two Croatian places: in Osijek (<5) and Ivanovo in Donji Miholjac area (<5).