Geography of the Philippines the Philippines, the Sierra Madre, stretching from Quezon province in the south to Cagayan in the north. 80 percent of the mountain range is tropical rainforest, which is diminishing from rampant illegal logging activity. The range serves as the eastern wall of Luzon Island that protects inhabitants from tropical cyclones usually coming from the Pacific Ocean. The largest plain of the nation is situated in the Central Luzon region and produces most of the national rice supply, earning itself the nickname ""Rice Bowl of the Philippines"". The plains encompass the provinces of Bulacan, Nueva Ecija, Pampanga, Tarlac and Pangasinan. South
Ethnic groups in the Philippines culture and language. In the late 19th century. The Philippines has over 180 indigenous ethnic groups, over half of which represent unique linguistic groups. There are more than 100 highland, lowland, and coastland tribal groups in the Philippines. These include: The Philippines consists of a wide number of settlers that form part of the national population. They immigrated or descended from various countries, most notably Japan, Spain, China, India, and the United States. Ethnic groups in the Philippines The Philippines is inhabited by more than 175 ethnolinguistic nations, the majority of whose languages are Austronesian in origin, then Han Chinese,