Aukena is the 4th largest of the Gambier Islands

Gambier Islands

There was a time when the Gambiers hosted a population of several thousand people and traded with other island groups including the Marquesas, the Society Islands and Pitcairn Islands...

 in French Polynesia

French Polynesia

French Polynesia is an overseas country of the French Republic . It is made up of several groups of Polynesian islands, the most famous island being Tahiti in the Society Islands group, which is also the most populous island and the seat of the capital of the territory...

. Aukena is located at 23°06′42"S 134°54′01"W, about halfway between Mangareva

Mangareva

Mangareva is the central and most important island of the Gambier Islands in French Polynesia. It is surrounded by smaller islands: Taravai in the southwest, Aukena and Akamaru in the southeast, and islands in the north...

 and Akamaru (Island)

Akamaru (Island)

Akamaru is the third largest island in the Gambier Islands of French Polynesia, at approximately . The island is located approximately southeast of Mangareva, at ....

, or about 5 km (3.1 mi) southeast of Mangareva. Aukena is approximately 2.5 km (1.6 mi) long and about 0.5 km (0.310686368324903 mi) wide, with a total area of 0.9 km² (0.347491942733282 sq mi).