Kashi also known as Banaras, is a city on the banks of the river Ganges in Uttar Pradesh, India, 320 kilometres (200 mi) south-east of the state capital, Lucknow, and 121 kilometres (75 mi) east of Allahabad. A major religious hub in India, it is the holiest of the seven sacred cities in Hinduism and Jainism, and played an important role in the development of Buddhism and Ravidassia. Varanasi lies along National Highway 2, and is served by Varanasi Junction railway station and Lal Bahadur Shastri International Airport.