Ahmadabad, also spelled Ahmedabad, city, eastern Gujarat state, west-central India. It lies along the Sabarmati River about 275 miles (440 km) north of Mumbai (Bombay). Ahmadabad is at the junction of the main roads leading to Mumbai and central India, the Kathiawar Peninsula, and the Rajasthan border. The city is also a major junction on the Western Railway, with lines running to Mumbai, Delhi, and the Kathiawar Peninsula. Pop. (2001) city, 3,520,085; urban agglom., 4,518,240; (2011) city, 5,577,940; urban agglom., 6,357,693.