
1) Pacific waters 2) Sea in Malaysia
Found on
https://www.crosswordclues.com/clue/sulu-sea

The Sulu Sea is a body of water in the southwestern area of the Philippines, separated from the South China Sea in the northwest by Palawan and from the Celebes Sea in the southeast by the Sulu Archipelago. Borneo is found to the southwest and Visayas to the northeast. Sulu Sea contains a number of islands. The Cuyo Islands and Cagayan Sulu are pa...
Found on
http://en.wikipedia.org/wiki/Sulu_Sea

portion of the western North Pacific. It is bounded by northeastern Borneo on the southwest, the southwestern islands of the Philippines, including ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/s/184

a sea in the W Pacific, between the SW Philippines and Borneo.
Found on
https://www.infoplease.com/dictionary/sulu-sea
No exact match found.