Vietnam has an area of 331,690 km², located in the east of the Indochina peninsula, in Southeast Asia. Sharing a border with three countries, Vietnam borders China to the north, Laos and Cambodia to the west, and the East Sea to the east. In 2019, Vietnam's population was more than 96 million people, ranking 13th in the world. Hanoi, the capital of Vietnam, is the second largest city with 6.2 million people, after Ho Chi Minh City, 8.8 million people.

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.

Located on the banks of Ka Long, the border river between Vietnam and China, Xa Tac Temple, Mong Cai City, Quang Ninh Province, is not only a place to worship and practice folk cultural beliefs of residents. This place also has significance as a cultural milestone, affirming the sacred sovereignty of the Fatherland. Recently, this hundreds of years old historical and cultural relic was recognized by the Ministry of Culture, Sports and Tourism as a National relic because of its unique values....

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...