The Monac system is a star system located in Cardassian space.

In early 2375, Martok launched an electromagnetic pulse into Monac to trigger a solar flare to destroy the Dominion Monac shipyards. (DS9 episode: "Shadows and Symbols")


The RPG The Dominion War Sourcebook: The Fires of Armageddon, published by Last Unicorn Games after they had lost their Star Trek license, states that the Monac system had eight planets, two of which were rendered uninhabitable by Martok's attack.