Faridabad is a city in the Indian state of Haryana. It is the largest city in Haryana in terms of population (1,404,653 people as per 2011 census). It is a part of the National Capital Region (NCR) and lies on the border of India's capital city New Delhi. Faridabad was ranked as the eighth fastest growing city in the world by a City Mayors Foundation survey. In 2018, the World Health Organization ranked Faridabad as the second most polluted city in the world.