Raville II was a planet located somewhere in the space of the galaxy's Alpha or Beta Quadrants, the second planet in orbit of the Raville star system.
History and specifics
By the 24th century, Raville II was an inhabited Federation planet.
Prior to the year 2362, the Tzenkethi had wiped out the colony on Raville II. The destruction of the colony was one of several reasons why Benjamin Sisko had come to fear and despise the Tzenkethi. (ST - Typhon Pact novel: Rough Beasts of Empire)