The Almatha sector was a region of space in the Cardassian Union, bordering the Bajor sector, and the Kalandra sector in the United Federation of Planets. (Star Trek: Star Charts) In the Pendragon timeline, years after the fall of Cardassia, part of the Almatha sector fell within the boundaries of the Colonial Alliance. (Star Trek: Pendragon: "Promised Land", Star Trek: Sons of Liberty)