This article is about the Philippine island. For other uses, see Luzon (disambiguation). Luzon Luzon mainland in red; its associated islands in maroon Luzon Location within the Philippines Geography Location Southeast Asia Coordinates 16°N 121°E / 16°N 121°E / 16; 121 Coordinates: 16°N 121°E / 16°N 121°E / 16; 121 Archipelago Philippines Adjacent bodies of water Babuyan Channel Burias Pass Philippine Sea Polillo Strait Samar Sea San Bernardino Strait Sibuyan Sea South China Sea Ticao Pass Verde Island Passage Major islands List Luzon Mindoro Palawan Masbate Catanduanes Busuanga Marinduque Romblon Polillo Burias Ticao Alabat Sibuyan Tablas Culion Balabac Bugsuk Dumaran Area 109,965 km 2 (42,458 sq mi) [1] Area rank 15th Coastline 3,249.6 km (2,019.21 mi) [1] Highest elevation 2,922 m (9,587 ft) Highest point Mount Pulag Administration Philippines Regions ...