Rahataua Opaha
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Ko Rahataua Opaha (reo Rūhia: Росто́вская о́бласть, tr. Rostovskaya oblast, IPA: [rɐˈstofskəjə ˈobləsʲtʲ]) he wāhanga o Rūhia (he opaha), i tauwāhi i Rohe Rūhia-ki-te-tonga. E 100,800 km2 (38,900 sq mi) te rahi. E 4,200,729 (nō te 2021 kautetanga) te taupori. Ko Rahataua Opaha te tuaono rawa nui wāhanga i Rūhia. Ko Rahataua te tāone matua me te tāone nui me te tāone matua o Rūhia-ki-te-tonga nō 2002.