Mạc Thiên Tứ, also known as Mạc Thiên Tích or Mạc Tông, was a Vietnamese leader who ruled Hà Tiên from 1735 to 1771 and from 1773 to 1777. He was called Mo Shilin in Veritable Records of Qing dynasty.

The Mekong Delta, also known as the Western Region or South-western region, 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 south-western Vietnam of over 40,500 km2 (15,600 sq mi). The size of the area covered by water depends on the season. Its wet coastal geography makes it an important source of agriculture and aquaculture for the country.