Hereheretue or Hiri-oro is an atoll in French Polynesia, Pacific Ocean. It is the northernmost island of the Duke of Gloucester Islands group, or Îles du Duc de Gloucester, a subgroup of the Tuamotu group. Hereheretue's nearest neighbour is Anuanuraro, which is located about 150 km away. It lies 450 km southwest of Hao and 488 km southeast of Tahiti.