The Celestial Empire of Nge'ardhi (Ishara: Mbinguni Dola ya Nge'ardhi), commonly known as Nge'ardhi, is an island nation located in the Indian Ocean between East Africa and the Indian subcontinent. It is ruled by a an absolute monarch known as a Kaizari, with the aid of two other high-ranking officials, the Kuhani Mkuu and the Antioch. Established in 2782 BC, Nge'ardhi has the oldest known monarchy in the world, and is best known for its long-standing caste system which has endured since 1505 BC.