Postal code (Zipcode) of Xã Thạnh An is: 82513

Thanh An Wards, Thanh Hoa District, Long An Province, Viet Nam

Vietnam, whose national name is the Socialist Republic of Vietnam, is a socialist country located at the eastern tip of the Indochina peninsula in Southeast Asia, bordering Laos, Cambodia, China, and the sea. East and Gulf of Thailand. The territory of Vietnam has been inhabited since the Paleolithic era, starting with the states of Van Lang and Au Lac. Au Lac was annexed by the Trieu Dynasty in the North in the early 2nd century BC, followed by a period of Northern domination lasting more than a millennium. The independent monarchy was re-established after Ngo Quyen's victory over the Southern Han dynasty. This event paved the way for independent dynasties to succeed and then repeatedly win against wars of invasion from the North as well as gradually expanding to the south. The final period of Northern domination ended after the Lam Son insurgent army's victory over the Ming Dynasty.

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.

Vietnam is a country with 54 different ethnic groups, each of which has its own unique and impressive culture and identity. It is this difference in ethnic composition that has contributed to creating a very diverse, rich and unique beauty for Vietnam's culture that no other country can replace. Customs in Vietnam have a long tradition spanning thousands of years, it has become customary law, deep and firmly embedded in the hearts of every Vietnamese person.

During the resistance war against America to save the country, places in Quang Tri such as: Hien Luong - Ben Hai, Vinh Moc, Con Tien, Doc Mieu, Road 9, Khe Sanh, Ta Con, Cua Viet, Co Citadel... were lost. into national history. When mentioning Quang Tri, many people remember the Quang Tri Ancient Citadel with its fierce battle that lasted for 81 days and nights. Therefore, peace is always the burning desire of the people of Quang Tri province as well as of all Vietnamese people. The desire for peace is also the wish of tens of thousands.