Vietnam is a country on an S-shaped strip of land, located in the center of Southeast Asia, in the east of the Indochina peninsula, to the north by China, to the west by Laos and Cambodia, and to the southeast overlooking the sea. East and Pacific. Vietnam's coastline is 3,260 km long, and its land border is 4,510 km long. On land, from the northernmost point to the southernmost point (as the crow flies) is 1,650km long, from the easternmost point to the westernmost point the widest place is 600km (Northern region), 400km (Southern region), the narrowest place is 50km (Quang Binh).

With a history of fighting against invaders to protect the land, win freedom, independence and build the country dating back thousands of years by the Vietnamese people and the convergence of 54 other ethnic groups. each other has contributed to the diversity, richness and uniqueness of Vietnam's culture.

Costume is one of the important factors that differentiate Vietnamese culture from other countries in the world. The costumes not only mark the cultural traditions and customs of the Vietnamese people, but they are also the breath and soul of a nation.

Vietnam's costumes are very diverse and rich, but the ones that impress people the most are the ao dai and the four-piece dress. The outfit carries the look and soul of Vietnam and when it comes to it, people will immediately think of Vietnam and that is the traditional ao dai. Traditional ao dai consists of a long shirt split into two front and back flaps, floor-length pants, material is silk or plain fabric, diverse colors and patterns.