Founded in the 15th century, Ahmedabad is the largest city in the state of Gujrat. The city is a vibrant business district and rising centre of education, information technology and scientific industries. Divided in two - the old city and the new city; The city offers different moods right from the hustle-bustle of C.G. Road in the heart of Ahmedabad to the quite retreat of of the Sabarmati Ashram. Ahmedabad enjoys a thriving cultural tradition, being the centre of Gujarati cultural activities and diverse traditions of different ethnic and religious communities. Popular celebrations and observances include Uttarayan - an annual kite-flying day on 14 January and the nine nights of Navratri - celebrated with people performing Garba - the folk dance of Gujarat - at venues across the city.