In Croatia, Frlić families are almost entirely Croats (from Pregrada area ), barely Bosniaks (from Rijeka ). In the past century, relatively most of Croatian residents bearing this family name were born in Pregrada area and in Sisak. In Šimunci in Pregrada area every eighth inhabitant had the family name Frlić.
Prevalence
About 50 people with faimily name Frlić live in Croatia today, in 20 households. There were 80 of them in the middle of the past century, and their number decreased by 40 percent. They are located in 6 Croatian counties, in 6 cities and 6 other places, mostly in Simunci in Pregrada area (15), Rijeka (<10), Lekenik in Petrinja area (<10), Vukovina (<10), and in Rude (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1930 in source Emigration Commission Zagreb.