India has several major physical features including mountains, rivers, plains, plateaus and coastal areas. The Himalayas in the north contain many major mountain peaks. The Indo-Gangetic Plain in the north is one of the most densely populated areas in the world. The Deccan Plateau makes up most of southern India. Coastal areas include the Eastern and Western Coastal Plains as well as island territories like Lakshadweep and the Andaman and Nicobar Islands.