Sulu Sea

Interisland Sea in the Pacific Ocean

Palawan (, ; officially the Province of Palawan; ; ) is an archipelagic province of the Philippines that is located in the region of Mimaropa. It is the largest province in the country in terms of total area, with . The capital and largest city is Puerto Princesa which is geographically grouped with but administered independently from the province. Palawan is known as the Philippines' Last Frontier and as the Philippines' Best Island.

region of the Philippines

Sulu (), officially the Province of Sulu (Tausūg: ''Wilaya' sin Lupa' Sūg''; ; ); is a province of the Philippines in the Sulu Archipelago and part of the Zamboanga Peninsula region.

historic sultanate state based on the islands of Sulu, Palawan, and northeastern Borneo

bight in Malaysia