Monac IV
Monac IV was the fourth planet in the Monac star system, in Cardassian space. It was where the Dominion's Monac shipyards were located.

In 2375, the shipyards were a crucial production facility for the Dominion effort to retake the Chin'toka system. An entire Klingon fleet attempted to advance on Monac IV, but was repelled with casualties estimated at thirty percent. ()

Shortly after, the Klingon Bird-of-Prey , under the command of General Martok, destroyed the shipyards by triggering a solar flare that engulfed the installation. ()

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Monac 04