Ryloth was a planet in the Outer Rim that was the Twi'lek homeworld and now under the occupation of the Empire.
During the Clone Wars, the Separatists under the command of Wat Tambor invaded the planet. Jedi General Anakin Skywalker and his padawan Ahsoka Tano broke through the blockade. Obi-Wan Kenobi and the 212th Attack Battalion freed the villagers of Nabat. Mace Windu and Hera Syndulla's father, Cham Syndulla, led the attack on the capital city of Lessu to free the planet.
The Ghost Crew and Ryloth rebel cell, led by Cham Syndulla teamed up to steal a Imperial Light Carrier above Ryloth.