The Nox Sea, also known as the Seas of Nox, is one of the various seas one can find to the north of the continent's coast inside the Balenos territory. It's surrounded by the Arsha Sea to the east, the Cron Islands to the southeast, the Balenos Islands to the south, the Olvia Sea to the southwest, the Banto Sea to the west and the Zenato Sea to the northwest.

The following islands can be found on its waters:

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