Fiolić families are Croats and they are mostly from Pregrada area. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Pregrada area. In Turnišće Desinićko in Pregrada area every fifth inhabitant had the family name Fiolić.
Prevalence
About 360 people with faimily name Fiolić live in Croatia today, in 150 households. There were 350 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 16 cities and 30 other places, mostly in Zagreb (125), Mala Mlaka (40), Velika Gorica (20), Sesvete (20), and in Desinic in Pregrada area (15).
Outside Croatia
At least five families with this surname emigrated from Croatia to: Germany (2), the United States (2), and to Canada (1). Family name Fiolić (including: Fiolic , Fiolich ) is present in 7 countries on four continents. "Fiolich " is used by few people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1930 in source Emigration Commission Zagreb.