The island of Palawan stretches from Mindoro to Borneo in the southwest. It lies between the South China Sea in the northwest and Sulu Sea in the southeast.Palawan is considered to be the Philippines' last ecological frontier. The province boasts of many splendid beaches and resorts and it is where the '''Tubbataha Reef National Marine Park''', one of the UNESCO World Heritage Sites, is located. http://wikitravel.org/en/Palawan