Coruscant

Coruscant, originally called Notron, also known as Imperial Center or the Queen of the Core, is a planet located in the Galactic Core. It is generally agreed that Coruscant has been, during most of galactic history, the most politically important world in the galaxy. At various times, it was the capital of the Galactic Republic, the Galactic Empire, and the New Republic. In controlling Coruscant, these governments controlled most of the galaxy in the process.

Over the centuries, Coruscant has developed into an ecumenopolis, with a total of 5,127 levels of city built up from the crust by the time of the Clone Wars. The actual planet-wide metropolis of Coruscant was called Galactic City. It was also called Imperial City under the Galactic Empire, and is now called New Republic City under the New Republic. However, in practice, Galactic City and its other names are sometimes applied to the Senate District, the central government center and de facto capital of Coruscant.