Linked from
The 16 pages that link to Luzon, each with the reason it gives.
Manila BayNarrower topic: The bay indents Luzon’s western coast.
Mount PinatuboNarrower topic: Pinatubo rises in the Zambales Mountains of this island.
Taal VolcanoNarrower topic: Taal is among the active volcanoes of southern Luzon.
CalabarzonNarrower topic: Calabarzon occupies the southern part of Luzon.
Ilocos RegionNarrower topic: The Ilocos Region occupies its northwestern part.
OlongapoNarrower topic: Olongapo lies on Luzon’s western coast, north of Manila.