Dương Đông is the main town on Vietnam's largest island Phú Quốc, off the coast of south-west Cambodia. The population in 2003 was 18,880. Võ Thị Sáu Street runs from the town to the beach.
Wikipedia https://en.wikipedia.org/wiki/Dương_Đông
Coordinates 10°13'5.679" N 103°57'32.516" E