Hrboka families are Croats and they are mostly from Zman on Dugi (Long) Island. In the past century, relatively most of Croatian residents bearing this family name were born in Split and on Dugi, Long Island. In Žman on Dugi (Long) Island every ninth inhabitant had the family name Hrboka.
Prevalence
About 70 people with faimily name Hrboka live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number remains constant. They are located in 6 Croatian counties, in 6 cities and four other places, mostly in Zman on Dugi (Long) Island (20), Split (15), Zadar (15), Zagreb (<10), and in Vela Luka on the Island of Korcula (<10).
Outside Croatia
At least six families with this surname emigrated from Croatia to the United States (5) and Germany (1). Family name Hrboka is present in three countries on two continents. The family name "Hrboka " 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 2007 in source Encyclopaedia of Croatian Surnames.