In Croatia, Finka families are Croats (from Dugi (Long) Island ). In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and Zagreb.
Prevalence
About 30 people with faimily name Finka live in Croatia today, in 15 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, threee cities and another small place , mostly in Sali on Dugi (Long) Island (10), Zadar (<10), Zagreb (<10), and in Rijeka (<10).
Outside Croatia
At least one family with this surname emigrated from Croatia to the United States. Family name Finka is present in 38 countries worldwide. The family name "Finka " is used by some 90 people in Indonesia , some 90 people in Russian Federation , and 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 1928 in source Emigration Commission Zagreb.