The Ganga plains of India have a high population density due to many reasons. The northern plains have been densely populated since centuries due to fertile land, availability of water and economic activities. Rivers like Ganga, Yamuna provide large tracts of fertile land apart from water. Also, the terrain is not a difficult one to travel. The moderate climate, fertile land supporting extensive agriculture. The topography is good for transport and industries. Due to availability of even fertile land and water, prefer settling in the northern plains as opposed to the desert areas of northwest India.