The Triangulum Galaxy in a spiral galaxy in the Local Group, and the third largest galaxy in that part of the universe after the Andromeda Galaxy and the Milky Way Galaxy. The Triangulum Galaxy, with the creation of Stellar sectors in Year 4567, was classified as a single-galaxy Solo sector even though it was a satellite galaxy of the Andromeda Galaxy.

It is divided into the Lental Subsector, the Dans Atrosos Subsector, and the Hida Atrosos Subsector.