What is "vaiusu"

Vaiusu is a small village on the Samoan island of Upolu. It is located on the central-north coast of the island, to the west of the capital Apia. As of late 2010, Vaiusu had an estimated population of 2,043. Its neighboring villages are Vaigaga, Elisefou, Vaitele, Talimatau, Vailoa, and Emau.