Weerden was an Imperial planet located within the Weerden system of the Core Worlds, near Coruscant. It was here that an assassin droid killed Grand Inquisitor Laddinare Torbin by crashing his shuttle, Sark-I into Torbin's palace.
- The New Jedi Order: The Unifying Force (Mentioned only)
- The Star Wars Sourcebook (First mentioned)
- Dark Empire Sourcebook
- Han Solo and the Corporate Sector Sourcebook
- Star Wars Sourcebook, Second Edition
- The New Essential Guide to Droids