ʻUiha is an island in Lifuka district, in the Haʻapai islands of Tonga. It had a population of 638 (in 2006) and an area of 5.36 km².[1]
More about Ha'apai at http://www.nelligennet.com/horst.com
If you want to know more about Uiha, you can contact its one expatriate resident Horst Berger, Felemea, Uiha Island, Ha'apai, Kingdom Of Tonga, South Pacific.