Prema II was a Delta Quadrant planet that contained a Talaxian mining colony.

In 2372, the colonists agreed to help the USS Voyager in the event of a Kazon attack. (VOY: "Basics, Part I")

After Voyager was captured by the Kazon-Nistrim, two Talaxian ships from Prema II assisted in Tom Paris' plan to retake the ship. (VOY: "Basics, Part II")

This planet was only mentioned in dialogue.
According to the Star Trek: Star Charts (p. 86), the primary of the Prema system was a Class M star.
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