In Croatia, Bosdachin families are generally Italians (from Umag ), rarely Croats (from Buje ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and Buje.
Prevalence
About 20 people with faimily name Bosdachin live in Croatia today, in 6 households. They are located in only two Croatian places: in Basanija (<10) and Savudrija (<5).
Outside Croatia
Family name Bosdachin is present in four countries on two continents. The family name "Bosdachin " is used by small number of people in Italy and small number in the United States.