The Sultanate of Rau'ahu (Tolo: سلطانن رَوْأَهُن, Sultanin Rau'ahun, sometimes Rau'ahu Royal Dynasty, was a sultanate in north Small Mala'ita, centered on Rau'ahu Island (presently in North of Small Mala'ita, Solomon Islands). It was also known as Hakimids Dynasty, its ruler carrying the title "Sultan" (Authority/Power). Hakimids Dynasty was a revival of the old Rau'ahu Royal Dynasty that was lapsed with the mertyrdom of Haimā'i Paina during the battle of Hanuahansia, Ārai Peninsula.

In the pre-colonial era, Ārai was a major regional power, and a fierce rival of nearby tribes and kingdoms (called "iora"), of Small Mala'ita, East Are'are, including parts of North Mala'ita and Ulawa island. The Rulers of Rau'ahu ruled most of northern Paurahaomae, and, at times, controlled nearby islands, Hauhāri'i, Ānuta Masike and many of the islands off the coast of Ārai, which are no longer exist anymore.

Hakimids Dynasty, as a revival of the Rau'ahu Royal Dynasty, presently holds control of the entire Rau'ahu Island including parts of the mainland Ārai, such as Tawaroto (Cordoba) and nearby coasts, and Āhu'i (Istanbul).

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On May 26, 2018, after his second marriage, the Hakimids father, Hakim ibn Al-Kindi, son of Al-Kindi (Michael Iuhaniramo) and a former Missionary In-Charge for the Ahmadiyya Muslim Jama'at Solomon Islands, came to power in northern Ārai, in small Mala'ita, Solomon Islands. Seven months later, in December, after he had been sucked from his Missionary duty by Ahmadiyya Muslim Jama'at, Hakim declared himself Sultan of an independent Hakimids state; legalizing the Sultanate system as a cultural institution. Under this cercumstances the Sultanate of Rau'ahu was thus established and as a matter of fact it continues to the present.

In early January 2021, he captured the island of Rau'ahu (in present-day Ārai Peninsula) and established his capital on the Island.

In February 2021, Tawaroto (now Cordoba) on the mainland coast, was also captured by Hakim and immediately established himself in his former ancestral territories. In December of the same year, Hakim captured yet another new location, Āhu'i (now Istanbul) where he set up his first resident, and which would later become an administrative sub-centre.