Haldwani [ɦəld̪ʋaːniː] (Hindi: हल्द्वानी) is the third most populous city in the Indian state of Uttarakhand. With a population of 156,078 in 2011, It is also the largest city of the Kumaun region. Haldwani is located in the Nainital District, and is one of its eight Subdivisions. The Haldwani Urban Agglomeration has 232,095 people, and is the fourth most populous UA in Uttarakhand, after Dehradun, Haridwar and Roorkee. Being situated in the immediate foothils of Kumaon Himalayas, Haldwani is known as the "Gateway of Kumaon".