Shimmering Seas

The Shimmering Seas is the collective name for the various interconnected seas, straits, gulfs, and bays around and between the island chains of the huge Azarian Archipelago, and along the adjacent shores of Achuirea. They are also sometimes called the Azarian Seas for obvious reasons. They cover a vast, roughly triangular area stretching from Taijuria's eastern tip to the northwest Achuirean coastline, stretching over two thousand miles east to west and, at their furthest extent, nearly that far north to south. To the north, the Shimmering Seas open to the Thurnic Ocean; to the southwest, the Emerald Ocean.  
The Shimmering Seas are typically understood not to include the Seas of Rhud further east, even though the two are connected via the Turzenian Channel. 
Individual bodies of water within the Azarian Seas include the Cerulean Sea, the Kiridian Sea, the .....