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, the last Leader of Rau'ahu royal dynasty, 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).

Abdul Hakim Nooruddin Apani'ai (or, Hakim ibn Al-Kindi) was a former Missionary In-Charge of the Ahmadiyya Muslim Jama'at (Community) Solomon Islands (2016–2018).

On 26 May 2018, after his second marriage, the Hakimids father, Hakim ibn Al-Kindi, son of Al-Kindi (Michael Iuhaniramo), assume religious power in northern Ārai, South Mala'ita, Solomon Islands.

Seven months later, on December 24, 2018, the day he had been sucked from his Missionary duty, by Ahmadiyya Muslim Jama'at, Hakim declared himself as the 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 up to date.

In 2012, Hakim visited the island of Rau'ahu (in present-day Ārai Peninsula); since then he had a plan to build his home and settle on the island; he even had this dream eight years earlier as far as 2005. Later in 2018, he had a dream that he was building a huge magnificent palace on Rau'ahu island. This dream, according to him, was repeated three times, and as a result, on the bases of his dreams, he claimed the island under his authority and planning to establish his Islamic capital on the Island.

In February 2021, Tawaroto (now Cordoba) on the mainland coast, was also claimed by Hakim and immediately established himself in his former ancestral territories.

In December of the same year, Hakim discovered yet another new location, Āhu'i (now Istanbul) where he set up his first resident, and which would later become an administrative sub-centre.