Vietnam, country occupying the eastern portion of mainland Southeast Asia. Vietnam occupies the eastern and southern part of the Indochinese peninsula in Southeast Asia, with the South China Sea along its entire coast. China is to the north and Laos and Cambodia are to the west. Long and narrow on a north-south axis, Vietnam is about twice the size of Arizona. The Mekong River delta lies in the south.
Vietnam shares borders with three neighboring countries. In order of shared border length, these are: Laos (2,161 km), China (1,297 km), and Cambodia (1,158 km).
Vietnam in Brief: