Answer:
The Philippines has over 300 volcanoes, of which 22 are active. Luzon has the greatest number of active volcanoes.
Among the active volcanoes in the island of Luzon we have: Volcan Taal, Volcan Mayon, Volcan Pinatubo, and Volcan Banahaw.
Luzon, and The Philippines in general, has that amount of volcanoes because the archipelago is part of the circle of fire, a geologically active region of the world that sorrounds the Pacific Ocean.