The Semagi sector existed as a sector within the southwestern portion of the Mid Rim. It shared borders with the Dononter, Marzoon, Tashtor, Narrant, and Corbett sectors, all also situated in the Mid Rim region. During the year 32 BBY, the Jedi Master known as Ki-Adi-Mundi held the position of Watchman responsible for the Semagi sector.