Matrux Nui, also known as the City of Many Mysteries, is the largest city on Spherus Magna, housing the many beings on the planet. The City also has a huge Rahi population and the Onu-Metru Archives from the Matoran Universe have been rebuilt here. This area's palace is located mainly in Le-Matoran Domain. It is the capital city on Matus Nui. The current Turaga is known as Jarak.