Hikueru, Tiveru, or Te Kārena, is one of the Central Tuamotu atolls. The closest land to Hikueru is Tekokota Atoll, located 22 km to the north.
Hikueru Atoll's shape is roughly oval and it is 15 km in length and 9.5 km in width. It covers a land area of 8 km² and a lagoon area of 79 km². There are many motu on its reef with a combined land area of about 25 km². Its lagoon is deep, with numerous coral heads. It has no pass to enter it.
At the 2012 census, the population of the commune of Hikueru was 241, of which 150 on Hikueru proper, and 91 on the atoll of Marokau. Its most important village is Tupapati, located on the atoll Hikueru. There is a territorial airport on Hikueru which was opened in 2000.
Wikipedia https://en.wikipedia.org/wiki/Hikueru
Coordinates -17°35'21.791" N -142°36'52.286" E