In Croatia, Buško families are Croats (from Peljesac Peninsula ). In the past century, relatively most of Croatian residents bearing this family name were born on Peljesac Peninsula and in Dubrovnik.
Prevalence
About 20 people with faimily name Buško live in Croatia today, in 8 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties, two cities and four other places, mostly in Ston on the Peljesac peninsula (<10), Dubrovnik (<5), Klis in Solin area (<5), Zagreb (<5), and in Trstenik on the Peljesac peninsula (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.