The Yamuna River forms a natural border between Haryana and Uttar Pradesh. The Yamuna is a major river in northern India and a tributary of the Ganges. It is the longest tributary of the Ganges, and is also the second longest river in India, after the Ganges itself. The Yamuna originates in the Garhwal Himalayas in the Indian state of Uttarakhand, and flows through the states of Uttar Pradesh, Haryana, Delhi, and Rajasthan before joining the Ganges at Allahabad. The Yamuna is a sacred river in Hinduism, and is worshipped by Hindus as a goddess. The river is also a major source of water for irrigation and drinking water for millions of people in India.
Uttar Pradesh is a state in northern India. It is the most populous state in India, with a population of over 200 million people. Uttar Pradesh is also the largest state in India, with an area of over 200,000 square kilometers. The capital of Uttar Pradesh is Lucknow.
Haryana is a state in northern India. It is bordered by the states of Punjab to the west, Himachal Pradesh to the north, Uttarakhand to the northeast, Uttar Pradesh to the east, Rajasthan to the south, and Delhi to the southwest. The capital of Haryana is Chandigarh.