Postal code (Zipcode) of Huyện Ngọc Hồi is: 60500

The North and North Central regions have a humid subtropical climate with 4 seasons: Spring, Summer, Autumn, and Winter. The Central and South Central regions have a tropical monsoon climate, the extreme South Central and Southern regions have tropical savanna characteristics. At the same time, it is directly influenced by the trade monsoon climate, which often blows in low latitudes. The South often has a tropical savanna climate, hot and humid with two seasons: dry season and rainy season (from April-May to October-November). Every year, the cold and humid winter typical of the North contrasts with the warm atmosphere of Tet and spring in the South.

Vietnam is located in the Indomalaya ecological region. According to the 2005 National Environmental Status Report, Vietnam is among the 25 countries with high levels of biodiversity, ranked 16th worldwide in terms of biodiversity and is home to about 16% of the world's biodiversity. species in the world. 15,986 plant species have been found throughout the country, of which 10% are endemic. Vietnam has 307 species of nematodes, 200 species of oligochaeta, 145 species of acarina, 113 species of springtails, 7,750 species of insects, 260 species of reptiles. , 120 species of amphibians, 840 species of birds and 310 species of mammals, of which 100 species of birds and 78 species of mammals are endemic. There are also 1,438 species of freshwater algae, accounting for 9.6% of the total number of algae species, as well as 794 species of aquatic invertebrates and 2,458 species of marine fish. In the late 1980s, a population of Javan Rhinos was discovered in Cat Tien National Park and it is possible that the last individual of this species in Vietnam died in 2010.

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.

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.