Etawah, also known as Ishtikapuri, is a city on the banks of Yamuna River in the state of Western Uttar Pradesh in India. It is the administrative headquarters of Etawah District. Etawah's population of 256,838 makes it the 180th most populous city in India. The city lies 300 km (190 mi) southeast of the national capital New Delhi, 230 km (140 mi) northwest of the state capital Lucknow, 120 km east of Agra and 140 km west of Kanpur. The city was an important centre for the Indian Rebellion of 1857. It is also the sangam or confluence of the Yamuna and Chambal rivers. It is the 26th most populous city in Uttar Pradesh.

The Yamuna is the second-largest tributary river of the Ganges by discharge and the longest tributary in India. Originating from the Yamunotri Glacier at a height of about 4,500 m (14,800 ft) on the southwestern slopes of Bandarpunch peaks of the Lower Himalaya in Uttarakhand, it travels 1,376 kilometres (855 mi) and has a drainage system of 366,223 square kilometres (141,399 sq mi), 40.2% of the entire Ganges Basin. It merges with the Ganges at Triveni Sangam, Prayagraj, which is a site of the Kumbh Mela, a Hindu festival held every 12 years.