Bunia is of Slavic origin, derived from the Bulgarian word 'буньо', meaning 'fight'. It is predominantly used as a feminine given name and is particularly popular in Bulgaria and other Eastern European countries. Bunia has been traditionally used among the Slavic peoples for centuries, but it gained more widespread recognition during the 20th century.
There is an average of about 6 births per year over this period, with notable spikes in 1927 and periods of lower birth rates between these years.