Da Nang is a city located in the South Central region of Vietnam. It is the center of economy, culture, education, science and technology major central region - the Central Highlands. Da Nang is a 1 in 15 grade cities and is one of five cities directly under the central. Danang is located in the middle of Vietnam, there are key positions both economic - social and defense - security; is an important traffic hub of road, rail, sea and air, the main gateway to the East Sea of the Central Provinces, the Central Highlands and the Mekong region countries.