The Glintara sector is an area of space which lies in both the Cardassian Union and the Romulan Star Empire. The Glintara system, for which the sector was named, was a covert base of operations for the Cardassian 4th Order since the 2350s. Trepar kept this hidden from the Detapa Council.
History and specifics
Later that year, Rhemet raised the possibility of an Allied attack on the Glintara sector, although Elim Garak revealed the existence of the hidden Cardassian bases, making such an assault unfeasible. (DS9 novel: Hollow Men)