Byss

Byss was a planet in the Deep Core, near the center of the galaxy, discovered no earlier than 45 BBY. A local day lasted 31 standard hours, and a local year lasted 207 standard days. It was the endpoint of the Byss Run.

Byss itself was somewhat of a myth, seeming to be the perfect place to live. Its eerie blue-green glow, caused by its sun, also added to the strangeness of the world. Despite this outward appearance, however, Emperor Palpatine's dark side energies were everywhere, corrupting not only the inhabitants, but the planet itself.

Prakith

Prakith was a mountainous fortress world that, thanks to its unstable terrain, was a difficult location to conquer by force. The world was located in the Prakith system of the Deep Core. It was part of Sector 5. The city Gallia was on this planet.

Coruscant

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

Nizon

Nizon was the sixth planet in the Centares system. It was the homeworld of the Nazren species. Agents of Bail Organa provoked the local resistance to oust Imperial occupation and Trandoshan slavers some months after the end of the Clone Wars.

Almas

Almas is the fourth and outermost planet in the Cularin system. Over a thousand years ago, a plant named kaluthin took root on the icy, lifeless world, nourishing itself from large underground lakes. Over time, the kaluthin synthesized the planet’s poisonous atmosphere (composed in large part of methane and phosphorus) into enough oxygen to sustain carbon-based life.
Still, prolonged exposure can be hazardous to one's health due to trace amounts of toxins, and breath masks or atmospheric regulators are strongly recommended.

Bespin

Bespin was a gas giant in the Bespin system of the Anoat sector on the Ison Corridor in the Greater Javin region of the Outer Rim Territories. It was also a major source of tibanna gas, which was refined for production and transport in numerous mining operations including Cloud City and Tibannopolis. It was home to several million individuals, including Humans, Ugnaughts, and Lutrillians. It was a famous shadowport.

Cato Neimoidia

The oldest of the Neimoidian purse worlds, Cato Neimoidia was the location of Nute Gunray's secret redoubt. The planet was near the Neimoidian homeworld of Neimoidia, also in the Colonies region.

Only the richest of the Neimoidians were allowed to live on the planet. Their treasures were protected in vaults located in difficult landscape and protected by B1 battle droids. The cities of Cato Neimoidia were built on large bridges spanning massive rock arches.

Cato Neimoidia featured vast forests rich in flora and fauna. Notable species included the Neimoidian kreehawk, a dangerous but beautiful avian found in some aviaries.

Felucia

Your first steps onto the soil of Felucia make it clear that this planet is truly alive. Massive mushrooms tower overhead, their overhanging edges creating a canopy that blocks out much of the planet’s sunlight. Every step on Felucian soil turns up insects and other fungi just beneath the surface. The noise of the jungle is loud and alien,
full of the sounds of a hundred insects and animals moving through the mushroom swamps, all part of a living and vibrant ecosystem.

Alderaan

Alderaan, located in the Core Worlds, was the second planet in the Alderaan system, and the home of many famous heroes, including Leia Organa Solo, Bail Organa, and Ulic Qel-Droma. Renowned galaxy-wide for their planet's unspoiled beauty, refined culture, and commitment to peace, Alderaanians worked with and around the land to preserve as much of the natural surroundings as they could.