The home star system of the Bajoran people, containing the planet Bajor, its moons, the Denorios belt and the only known stable wormhole, guarded by the station Deep Space Nine.
The Bajoran system surrounds the star B'hava'el and is centred on Bajor, a world recovering from decades of Cardassian occupation when Deep Space Nine begins in 2369.
In Emissary, Benjamin Sisko and Jadzia Dax discover a stable wormhole to the Gamma Quadrant in the system's Denorios belt, home of the beings the Bajorans worship as the Prophets. The former Cardassian station Terok Nor, renamed Deep Space Nine, is moved from Bajor's orbit to its mouth, turning a backwater into one of the most strategic places in the quadrant.
Bajor's moons feature in several stories, among them Jeraddo in Progress and Derna, where a Romulan hospital becomes a flashpoint in Shadows and Symbols.