Ghaziabad (Hindustani pronunciation: [ɣaːziːaːbaːd̪]) is a city in the Indian state of Uttar Pradesh. It is sometimes referred to as the "Gateway of UP" because it is close to New Delhi, on the main route into Uttar Pradesh. It is a part of the National Capital Region of Delhi. It is a large and planned industrial city, with a population of 2,381,452. Well connected by roads and railways, and is the administrative headquarters of Ghaziabad District as well as being the primary commercial, industrial and educational centre of western Uttar Pradesh and a major rail junction for North India. Recent construction works have led to the city being described by a City Mayors Foundation survey as the second fastest-growing in the world. Situated in the Upper Gangetic Plains, the city has two major divisions separated by the Hindon River, namely: Trans-Hindon on the west and Cis-Hindon on the east side.