Patna is the capital city of Bihar, the eastern state of India. It is also the second-largest city in eastern India (after Kolkata). As per the 2011 census, the population of this city metropolitan area is 2,046,652. It is the 19th largest metropolis in India. On the other hand, the population of the municipality of Patna is 1,683,200. It is the 18th largest municipality in India. The Patna High Court is located in this city. The modern Patna city is located on the southern bank of the Ganges. The Son, Gandak, and Punpun rivers also flow along with this city. The city is about 35 kilometers (22 miles) in length and about 16 to 18 kilometers (9.9 to 11.2 miles) in width. On June 27, the World Bank awarded This place as second place in India (after Delhi) as a suitable place to start a business. In 490 BC, the king of Magadha established the city of Pataliputra, the ancient Patna, one of the oldest cities in the world. Ancient Patna The city of ‘Patliputra’ was the capital of the Magadha Empire under the Haryana, Nanda, Maurya, Shunga, Gupta, and Pala dynasties and an ancient center of education and art.