The Republic of the Philippines has a total of 5 UNESCO World Heritage sites. Aside from the Puerto Princesa Subterranean River National Park, the other 4 UNESCO World Heritage Sites here are:

• Tubbataha Reefs Natural Park (1993)
• Baroque Churches of the Philippines (1993)
• Historic Town of Vigan (1999)
• Rice Terraces of the Philippine Cordilleras (1995)

There are still 27 other sites included in the tentative list that is subject to UNESCO's decision/proclamation. Philippines - UNESCO World Heritage Centre...