Vietnam has an area of 331,212 km², a land border of 4,639 km, a coastline of 3,260 km, and shares a maritime border with Thailand through the Gulf of Thailand and with China, the Philippines, Indonesia, Brunei, Malaysia through the East Sea. Vietnam claims sovereignty over two disputed geographical entities in the East Sea, the Hoang Sa archipelagos (which has lost control in reality) and Truong Sa

Vietnam's terrain has about 40% mountains and forests, 40% hills and coverage of about 75% of the country's area. There are mountain ranges and plateaus such as Hoang Lien Son range, Son La plateau in the north, Bach Ma range and plateaus following the Truong Son range in the south. Network of rivers and lakes in the delta or mountainous areas of the North and Central Highlands. The delta accounts for about 1/4 of the area, including deltas such as the Red River Delta, Mekong River Delta and the Central Coastal Plains, which are densely populated areas. Cultivated land accounts for 17% of Vietnam's total land area.

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.

Officially Vietnamese (the language of the Vietnamese (Kinh) people). This is the mother tongue of about 85% of the Vietnamese population, along with nearly three million overseas Vietnamese, most of whom are Vietnamese Americans. Vietnamese is also the second language of ethnic minorities in Vietnam. Although Vietnamese has vocabulary borrowed from Chinese and previously used Chinese characters (Confucian script) to write, then converted to Nom script, today Vietnamese uses the Latin alphabet, called Quoc Ngu. , with diacritics to write...