Ghaziabad is situated about 2.5 km from the Hindon river. On the north it is bound by the district of Meerut, on the south by that of Bulandshahar and Gautambudh Nagar, on the south-west by Delhi and on the east by the newly formed district of Hapur. As its boundary is adjacent to Delhi, it acts as the main entrance to Uttar Pradesh and hence is also called the Gateway of Uttar Pradesh.
Hindon, a tributary of the Yamuna River, originating in the Upper Shivaliks is the main river flowing through the city. TheUpper Ganges Canal flows through the northern part of the city, catering to the irrigation and drinking water needs of people of Ghaziabad and Delhi. The total municipal area of the city is 210 km
