Buva families are Croats and they are mostly from Sibenik area. In the past century, relatively most of Croatian residents bearing this family name were born in Sibenik and in Sibenik area.
Prevalence
About 70 people with faimily name Buva live in Croatia today, in 30 households. There were 80 of them in the middle of the past century, and their number decreased by 10 percent. They are located in four Croatian counties and threee other places, mostly in Sibenik (35), Zagreb (15), Bilice in Sibenik area (15), Split (<10), and in Drnis (<5).
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.