Fileš families are Croats and they are mostly from Preloga area , Cirkovljani and Goricani in Medjimurje. In the past century, relatively most of Croatian residents bearing this family name were born in Prelog and Zagreb. In Marenić in Vrbovec every fifth inhabitant had the family name Fileš.
Prevalence
About 140 people with faimily name Fileš live in Croatia today, in 50 households. There were 120 of them in the middle of the past century, and their number increased by 20 percent. They are located in 6 Croatian counties, in 9 cities and 14 other places, mostly in Zagreb (45), Cakovec (15), Palinovec in Prelog area (10), Prelog (<10), and in Draskovec (<10).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.