In Croatia, Bustruc families are Croats (from Ploce ). In the past century, relatively most of Croatian residents bearing this family name were born in Metkovic and Dubrovnik.
Prevalence
About 20 people with faimily name Bustruc live in Croatia today, in 11 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties and 5 other places, mostly in Ploce (<10), Split (<5), Stasevica (<5), Kula Norinska in Opuzen area (<5), and in Dubrovnik (<5).
Outside Croatia
Family name Bustruc is present in three countries on two continents. The family name "Bustruc " is used by few 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 1923 in source Emigration Commission Zagreb.