Mekong Delta

The Mekong Delta (Vietnamese: Đồng bằng Sông Cửu Long "Nine Dragon river delta"), also known as the Western Region (Vietnamese: Miền Tây or the South-western region (Vietnamese: Tây Nam Bộ) is the region in southwestern Vietnam where the Mekong River approaches and empties into the sea through a network of distributaries. The Mekong delta region encompasses a large portion of southwestern Vietnam of 39,000 square kilometres (15,000 sq mi). The size of the area covered by water depends on the season.

• http://en.wikipedia.org/wiki/Mekong Delta