In Croatia, Ferlan families are Croats (from Cazins Region (Bosnia) ). In the past century, relatively most of Croatian residents bearing this family name were born in Opatija and Dubrovnik.
Prevalence
About 30 people with faimily name Ferlan live in Croatia today, in 15 households. There were 100 of them in the middle of the past century, and their number decreased significantly. They are only located in four Croatian cities and four other places, mostly in Zagreb (15), Opatija (<10), Matulji in Opatija area (<5), Kupari in Dubrovnik area (<5), and in Kuna Peljeska on the Peljesac peninsula (<5).
Outside Croatia
Family name Ferlan is present in 17 countries worldwide. The family name "Ferlan " is used by some 100 people in Indonesia , about 80 in the United States , and some 60 people in Italy.
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.