Nha Trang, sometimes spelt Nhatrang, is Vietnam's most famous seaside resort town, and the scuba diving centre of Vietnam. It's more lively and urban in character than other beach destinations such as Mui Ne and Phu Quoc.
Traces of human settlement in Nha Trang date back to the Cham Empire, though in times of Vietnamese rule, there wasn't much more here than small fishing villages. The French recognised that this beautiful bay, with its islands and white sand beaches, made for a perfect bathing spot, and began the transformation into a resort town. American soldiers agreed, and Nha Trang became a favourite R&R stop during the war.
Nha Trang is definitely not a Westernized resort town like Kuta in Bali - it is hugely popular among Vietnamese tourists, who go to the beach mainly on early morning and late afternoon, and spend the rest of the day enjoying other attractions including mud baths or Vinpearl Land - dubbed Vietnam's Disneyland, although it's probably more akin to Singapore's Sentosa.