Olara Prime

"Olara Prime, the Olarian homeworld. The Empire has only recently rediscovered its existence and significance. The planet's surface is completely covered with oceans. There is no oxygen in the air, the only oxygen can be found underwater, which is why its inhabitants have adapted to the planet so perfectly."

Olara Prime, also known simply as Olara, known as Ralo by the time of the Clone Wars, was the capital of Olarian Space and was located in the Olar system in the Unknown Regions. Olara Prime is the homeworld of the native Olarians and was controlled by the ancient Olarian Freehold.