Postal code (Zipcode) of Xã Đại Nghĩa is: 51608

Dai Nghia Wards, Dai Loc District, Quang Nam Province, Viet Nam

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).

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's history began from 1 to 2 thousand years BC. Over many centuries with the Ly, Tran, Le, and Nguyen dynasties, from the mid-19th century, Vietnam became a French colony. After the August Revolution, the Democratic Republic of Vietnam was born. The Battle of Dien Bien Phu in 1954 marked the end of the French in the territory, but Vietnam was divided into two countries: the Democratic Republic of Vietnam in the North and the Republic of Vietnam in the South. After the events of April 30, 1975, Vietnam was unified and from July 2, 1976, officially named the Socialist Republic of Vietnam.

Lang Son, the prime land of the Fatherland, on spring days is more poetic with blooming peach blossoms and white apricot gardens stretching out. Traveling in the spring to Lang, visitors can not only explore the majestic mountain scenery but also immerse themselves in the spiritual cultural space of the residents of this place such as: Ky Cung Temple Festival, Ta Phu Temple Festival, Festival Dong Dang, Thanh Pagoda, Tam Thanh Pagoda, Tien Pagoda...