In Croatia, Frkonja families are Croats (from Jastrebarsko ). In the past century, relatively most of Croatian residents bearing this family name were born in Jastrebarsko and Zagreb.
Prevalence
About 30 people with faimily name Frkonja live in Croatia today, in 14 households. There were 50 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties and 5 other places, mostly in Jastrebarsko (<10), Zagreb (<5), Karlovac (<5), Sesvete (<5), and in Varazdin (<5).
Outside Croatia
Family name Frkonja is present in three countries on two continents. The family name "Frkonja " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.