Uonukuhihifo on:
[Wikipedia]
[Google]
[Amazon]
Uonukuhihifo is an islet which belongs to 
Uonukuhihifo is an islet which belongs to Uonukuhahake
Uonukuhahake is an island in Lifuka district, in the Ha'apai islands of Tonga.
References
Islands of Tonga
Haʻapai
{{Tonga-geo-stub ...
island, Tonga
Tonga (, ; ), officially the Kingdom of Tonga ( to, Puleʻanga Fakatuʻi ʻo Tonga), is a Polynesian country and archipelago. The country has 171 islands – of which 45 are inhabited. Its total surface area is about , scattered over in ...
. It is located within the Ha'apai Group.
See also
*List of islands and towns in Tonga
The following list gives all islands and cities (villages and hamlets) in Tonga in alphabetical order with many local areas and nicknames as well. Coordinates are given for the centre of each place. All place names are given in the Tongan language ...
References
Islands of Tonga Haʻapai {{Tonga-geo-stub