Hanoi is the capital city of Vietnam; capital. It is situated in northern Vietnam on the western bank of the Red River 140 kilometres inland from the South China Sea and has a population in excess of 3 million. Hanoi is a major industrial and agricultural centre. Industries include the manufacture of machine tools, electric generators and motors, plywood, textiles, chemicals, and matches. Rice, vegetables, cereals, and industrial crops are grown in the surrounding area. It is also a communications centre. Roads link Hanoi with other major Vietnamese cities, and railway lines provide access to its port of Haiphong; to K'un-ming in Yunnan province, China; and to Ho Chi Minh City.