The Xoxa colony was a Cardassian mining colony on a class L planet in the Xoxa star system.
In the year 2370, it was the nearest Cardassian Union mining operation to Starbase Deep Space 9. (DS9 novel: Devil in the Sky)
Quark came into possession of Gaila's pergium mine on Xoxa colony after beating Gaila in a game of tongo. Quark later discovered decalithium nearby. (STO novel: The Needs of the Many)