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Vietnam is a Southeast Asian country on the South China Sea known for its beaches, rivers, Buddhist pagodas and bustling cities. Hanoi, the capital. Ho Chi Minh City or, formerly named and still informally known as Saigon, is the largest city in Vietnam by population. It was once known as Prey Nokor prior to annexation by the Vietnamese in the 17th century.
The city's population is expected to grow to 13.9 million by 2025. The Ho Chi Minh City Metropolitan Area, a metropolitan area covering most parts of the south-east region plus Tiền Giang Province and Long An Province under planning, will have an area of 30,000 square kilometres with a population of 20 million inhabitants by 2020.