The Calamari sector, alternatively referred to as the Mon Calamari sector or Mon Calamari Space, represented a sector situated within the Outer Rim Territories of the galaxy, encompassing within it the Mon Calamari system. A significant portion of the surrounding space within this sector, specifically around the planet of Mon Cala, was under Separatist dominion throughout the Clone Wars, culminating in a subsequent battle fought on Mon Cala itself. Its boundary was shared with the Lothal sector.