Chandigarh it is a union territory of India, that serves as the capital of two states, Punjab and Haryana. The name Chandigarh translates as "The Fort of Chandi". The name was coined from an ancient temple called Chandi Mandir, devoted to the Hindu Goddess Chandi, present in the city's vicinity. It is occasionally referred to as The City Beautiful. Chandigarh Capital Region (CCR) including Mohali, Panchkula and Zirakpur had a combined population of 1,165,111 (1.16 million) as per the 2001 census. Earlier the Chandigarh Capital region was also called 'Tricity' because of Panchkula and Mohali as adjacent cities but with mushrooming of other towns like Zirakpur, Kharar etc. with considerable population it is better called 'Chandigarh Capital Region'.
Apart from above, Chandigarh was designed by French architechture Le Corbusier as a subtitude for Lahore (that time capital of Punjab province). There are neumerous places to visit in chandigarh like Rock garden, Sukhna lake, Doll museum,Rose garden etc. Sector 17 is a top place for shopping and eating out.
more info is available on official website of Chandigarh; http://chandigarhtourism.gov.in/