Ko Ongaonga he nohanga o te takiwā o Heretaunga. E ai ki Toitū Te Whenua, he nohanga (he 'locality' rānei ki te reo Pākehā) he wāhi e nohoia ana e te tangata, engari kāore anō kia tae te taupori ki te nui e taea ai te kī he tāone tonu taua wāhi rā.