Orsha II
A system in the Normannic Sector of the Galactic Empire, mentioned in Foundation. The inhabited planet is Orsha II, the second planet of the system. The capital of the Normannic Sector was originally Siwenna (20 parsecs, or 65 light-years, away), but after the first Siwennian rebellion, it was moved to Orsha II.
Read more about this topic: List Of Foundation Universe Planets