Tactical map (Septimus is the upper-most marked system on the Cardassian side)
Septimus III is the third planet of the Septimus system and was the headquarters of the Cardassian Eleventh Order. It was attacked by the Klingon Empire during the Dominion War. (DS9: "Strange Bedfellows")
Septimus is relatively close to the Goralis system, near the Cardassian border. (DS9: "Tears of the Prophets")