The Ganga River Basin is a large geographical area in northern India and parts of Bangladesh, encompassing the regions drained by the Ganga River and its tributaries. This basin covers approximately 1,000,000 square kilometers and is vital for agriculture, drinking water, and transportation for millions of people. The river itself is one of the longest in the world, flowing over 2,500 kilometers from the Himalayas to the Bay of Bengal. The basin supports a diverse ecosystem and is home to various species, including the endangered Ganges River dolphin. It also plays a crucial role in the cultural and religious practices of the region, with cities like Varanasi and Haridwar being significant pilgrimage sites. The Ganga River Basin is essential for the livelihoods of many communities, making its conservation a priority for sustainable development.