This document provides information about the major ethnic groups in the Philippines. It discusses 7 main ethnic groups: Ilocano, Pangasinense, Kapampangan, Tagalog, Bicolano, Visayan, and Moro/Muslim. It then provides more details about specific ethnic groups located in Luzon, including the Aeta, Mangyan, Ifugao, Kalinga, Ivatans, Ilongot peoples. For each group, it discusses their location, culture, traditions, and way of life. It aims to inform the reader about the diversity of indigenous peoples across the Philippines.