Title: Delhi
Content:  Delhi is located in Northern India, at 28.61°N, 77.23°W. The city is bordered on its northern, western, and southern sides by the state of Haryana and to the east by that of Uttar Pradesh (UP). Two prominent features of the geography of Delhi are the Yamuna flood plains and the Delhi ridge. The Yamuna River was the historical boundary between Punjab and UP, and its flood plains provide fertile alluvial soil suitable for agriculture but are prone to recurrent floods. The Yamuna, a sacred river in Hinduism, is the only major river flowing through Delhi. The Hindon River separates Ghaziabad from the eastern part of Delhi. The Delhi ridge originates from the Aravalli Range in the south and encircles the west, northeast, and northwest parts of the city. It reaches a height of 318 m and is a dominant feature of the region. 
Title: List of Indian cities on rivers
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Title: Ethnic groups in Delhi
Content:  Delhi's ethnic groups are diverse. The Yamuna river's flood plains provide fertile alluvial soil suitable for agriculture but are prone to recurrent floods. The Yamuna, a sacred river in Hinduism, is the only major river flowing through Delhi. The original natives of Delhi are those whose ancestors lived in the Yamuna basin, a region which spreads radially from the capital up to a distance of approximately 200 kilometres. Today the migrant population consists largely of Punjabis, Bengalis and recently,' Biharis. During parts of the British Raj, Delhi was made a district city of the Punjab Province of British India. This province was not ethnically homogeneous and large amounts of Hindi speakers resided in the southeast, now Haryana and Delhi.
Title: Dhaleshwari River
Content:  The Dhaleshwari River (ধলেশ্বরী Dhôleshshori) is a distributary, 160 km long, of the Jamuna River in central Bangladesh. It starts off the Jamuna near the northwestern tip of Tangail District. After that it divides into two branches: the north branch retains the name Dhaleshwari and merges with the other branch, the Kaliganga River at the southern part of Manikganj District. Finally the merged flow meets the Shitalakshya River near Narayanganj District. This combined flow goes southwards to merge into the Meghna River. Average depth of river is 122 ft and maximum depth is 265 ft.
Title: Delhi, Iowa
Content:  Delhi is located at 42.42806°N, -91.33°W (42.428028, -91.329971) near the Maquoketa River. The Delhi Dam on the river in Delhi's southwest created Hartwick Lake. A portion of the dam failed on July 24, 2010, flooding areas downstream. According to the United States Census Bureau, the city has a total area of 1.02 sqmi, of which 0.97 sqmi is land and 0.05 sqmi is water. Delhi is located on State Highway 38.
Title: Ganges Delta
Content:   The Ganges Delta (also known as the Sundarbans Delta or the Bengal Delta ) is a river delta in the Bengal region of South Asia, consisting of Bangladesh and the Indian state of West Bengal. It is the world's largest river delta and it empties into the Bay of Bengal with the combined waters of several river systems, mainly those of the Brahmaputra river and the Ganges river. It is also one of the most fertile regions in the world, thus earning the nickname the Green Delta. The delta stretches from the Hooghly River east as far as the Meghna River.
Title: Delhi
Content:  Delhi ( Dillī; Dillī;  Dêhlī), officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, but primarily its western or right bank, Delhi shares borders with the state of Uttar Pradesh in the east and with the state of Haryana in the remaining directions. The NCT covers an area of 1484 km2. According to the 2011 census, Delhi's city proper population was over 11 million, while the NCT's population was about 16.8 million. Delhi's urban agglomeration, which includes the satellite cities of Ghaziabad, Faridabad, Gurgaon and Noida in an area known as the 
Title: Dharla River
Content:  The Dharla River (ধরলা নদী) is a tributary of Brahmaputra which is a trans-boundary river flowing through India, Bhutan and Bangladesh. It originates from Kupup/Bitang lake lying in Pangolakha Wildlife Sanctuary of East Sikkim in Himalayas where it is known as the Jaldhaka River, and then it flows through East Sikkim, India than goes to Samtse District, Bhutan and comes back to India again at  Kalimpong district than it flows through Jalpaiguri and Cooch Behar districts of West Bengal, India, one of the seven main rivers to do so. Here the river enters Bangladesh through the Lalmonirhat District and flows as the Dharla River until it empties into the Brahmaputra River near the Kurigram District. Near Patgram Upazila, it again flows easterly back into India. It then moves south and enters Bangladesh again through Phulbari 
Title: Dheel River
Content:  The Dheel River originates in the plains near Bauli village in Tonk District, Rajasthan, India. It flows generally from north to south for about 64 km in Jaipur, Tonk and Sawai Madhopur Districts. It joins the Banas near Philpura village in Sawai Madhopur district. River Gudia is its tributary. Its total catchment area is 340 square mile.
Title: Dhalai River
Content:  The Dhalai River (also known as Dhala River) a trans-boundary river in India and Bangladesh. It rises in the mountains of the Indian state of Tripura. It enters Kulaura Upazila of Maulvibazar District of Bangladesh. Later it joins Manu River in Rajnagar Upazila. The co-ordinates of Dhalai River at Ambassa are 23.55'128 N and 91.51'204  E in degrees minutesseconds(DMS). It originate from Atharamura Hill and is 117 km long. Some of the popular riverside townships of Dhalai River are the towns of Ambassa, Baralutma and Kamalpur.

Question: delhi is on the banks of which river?
Answer: Yamuna.