Central part of
New Georgia is cradle of Roviana culture. The large complex of Bao megalithic
shrines and other structures was developed in 13th century AD.Later, in 15th - 17th centuries
Roviana people moved over to smaller barrier islands at New Georgia with a hub
in Nusa Roviana.Through trade
and head hunting expeditions, Nusa Roviana turned into the regional centre of
power and trade. In the late 19th
