In Croatia, Flank families are Croats by relative majority (from Buje area ), equally Italians (from Porec ). In the past century, relatively most of Croatian residents bearing this family name were born in Porec.
Prevalence
Only a few people with faimily name Flank live in Croatia today, in three households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only two Croatian places: in Vranje Selo in Buje area (<10) and Rijeka (<5).