Slaybis IV is a planet in the Slaybis system, located in the Demilitarized Zone between the Federation and Cardassian Union. The planet has at least three moons.

Slaybis IV is the location of a human colony, the capital of which is Slaybis Central. Starfleet Intelligence agent Elois Phifer was stationed on Slaybis IV, where he operated as a courier for the Maquis. (VOY - The Brave and the Bold, Book Two novella: The Third Artifact)

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