The Nam Xan River (French : Nam Sane) is a major river of west-central Laos. It flows from the mountains of central Laos through Borikham and joins the Mekong River at 18°22′36″N103°39′29″E / 18.37667°N 103.65806°E at Pakxan.
Vietnam is located on the eastern margin of the Indochinese peninsula and occupies about 331,211.6 square kilometres (127,881.5 sq mi), of which about 25% was under cultivation in 1987. It borders the Gulf of Tonkin, Gulf of Thailand, and Pacific Ocean, along with China, Laos, and Cambodia. The elongated roughly S shaped country has a north-to-south distance of 1,650 km (1,030 mi) and is about 50 km (31 mi) wide at the narrowest point. With a coastline of 3,260 km (2,030 mi), excluding islands, Vietnam claims 12 nautical miles as the limit of its territorial waters, an additional 12 nautical miles as a contiguous customs and security zone. It has an exclusive economic zone of 417,663 km2 (161,261 sq mi) with 200 nautical miles.
The People's Army of Vietnam (PAVN), officially the Vietnam People's Army, also recognized as the Vietnamese Army or the People's Army, is the national military force of the Socialist Republic of Vietnam and the armed wing of the ruling Communist Party of Vietnam (CPV). The PAVN is the backbone component of the Vietnam People's Armed Forces and includes: Ground Force, Navy, Air Force, Border Guard and Coast Guard. Vietnam does not have a separate and formally-structured Ground Force or Army service. Instead, all ground troops, army corps, military districts and special forces are designated under the umbrella term combined arms and are belonged to the Ministry of National Defence, directly under the command of the CPV Central Military Commission, the Minister of National Defence, and the General Staff of the Vietnam People's Army. The military flag of the PAVN is the National flag of the Socialist Republic of Vietnam defaced with the motto Quyết thắng added in yellow at the top left.
The Mekong or Mekong River is a trans-boundary river in East Asia and Southeast Asia. It is the world's twelfth-longest river and the third-longest in Asia with an estimated length of 4,909 km (3,050 mi) and a drainage area of 795,000 km2 (307,000 sq mi), discharging 475 km3 (114 cu mi) of water annually. From its headwaters in the Tibetan Plateau, the river runs through Southwest China, Myanmar, Laos, Thailand, Cambodia, and southern Vietnam. The extreme seasonal variations in flow and the presence of rapids and waterfalls in the Mekong make navigation difficult. Even so, the river is a major trade route between Tibet and Southeast Asia. The construction of hydroelectric dams along the Mekong in the 2000s through the 2020s has caused serious problems for the river's ecosystem, including the exacerbation of drought.
Saek is a Tai language spoken in at least ten villages in Khammouane Province, Laos, and at least four villages in Nakhon Phanom Province in northeastern Thailand, just across the Mekong River. It is spoken by the Saek people.
Kon Tum is the northernmost mountainous province in the Central Highlands region, the Central of Vietnam. It borders Quảng Nam to the north, Gia Lai to the south, Quảng Ngãi to the east, Sekong, Attapeu of Laos and Ratanakiri of Cambodia in the west.
The Mã River is a river in Asia, originating in northwestern Vietnam. It flows 400km through Vietnam, Laos, and then back through Vietnam, meeting the sea at the Gulf of Tonkin.
The Cả River or better known as Lam River is a river in mainland Southeast Asia.
The Xiang Khouang Plateau or Xiang Khwang Plateau, also known in French as Plateau du Tran-Ninh is a plateau in the north of Laos. The landscape is characterized by green mountains, rugged karst formations and verdant valleys with plenty of rivers, caves and waterfalls.
The Nam Song River, also transliterated as Nam Xong, is a medium-sized river in Laos that flows through the town of Vang Vieng. It is a popular tourist destination as many people enjoy seeing the Laotian countryside while going down the river in the inner tube of a tractor tyre or in a kayak. The river is surrounded by striking karst rock formations. Upstream from Vang Vieng, numerous bars have been built on the river's banks to attract the tourists floating by.
The Nam Ou is one of the most important rivers of Laos. It runs 448 km from Phongsaly Province to Luang Prabang Province. The river rises in Muang Ou Nua near the Lao-Chinese border, and traverses the northern Laos mountains and gorges until meeting the Mekong River in Ban Pak Ou. Along with the Mekong, the Nam Ou is the only natural channel suitable for large-draft boat transportation. The Nam Ou is one of the 12 principal tributaries of the Mekong River. The river has a total area of nearly 26,000 km2. Near its confluence with the Mekong are the Pak Ou Caves, famous for their Buddha statues. The river is also surrounded by limestone karts, forests, and valleys. The river supports Lao rice cultivation. The Nam Ou placed in the top 80th percentile for river health according to the Mekong River Commission's aquatic health index.
Nam Theun, is a river in Laos, in Khammouane and Bolikhamsai Provinces. Together with its tributaries Nam One, Nam Noy, and Nam Theun it has total length of 138 km (86 mi) and drains an area of 2,800 km2 (1,100 sq mi). "Nam Theun" is also three options for large dams on the same river, called Nam Theun 1, Nam Theun 1-2 and Nam Theun 2. Nam Theun 2, which was considered the most economic of the three options, is in operation.
Tương Dương is a rural district of Nghệ An province, in the North Central Coast region of Vietnam. As of 2019 the district had a population of 77,830. The district covers an area of 2,811.92 km2. The district capital lies at Thạch Giám township.
Đại Lộc is a rural district (huyện) of Quảng Nam province in the South Central Coast region of Vietnam. As of 2003, the district had a population of 158,052. The district covers an area of 586 km2. The district capital lies at Ái Nghĩa.
Sốp Cộp is a rural district of Sơn La province in the Northwest region of Vietnam. It was established in December 2003. As of 2003, the district had a population of 32,253. The district covers an area of 1,477 km².
Chu River, also known as the Nam Sam River or Nam Xam River, is the largest tributary of Mã River. It originates from Houa peak at 2062m near Xam Neua town, Houaphanh Province in eastern Laos and travels east to meander through the Nghệ An and Thanh Hóa provinces of Vietnam. It joins Mã River on the left in Thiệu Hóa.
Pakkading (ປາກກະດິງ, literally 'mouth of the ', is a district of Bolikhamsai province in central Laos. It is home to the 1,690 km2 Nam Kading National Biodiversity Conservation Area.
The Xe Bang Fai River is a river in Laos. It originates in the Annamite Range on the border between Laos and Vietnam at 17°3′1″N106°20′54″E. It flows through Khammouane Province and Savannakhet Province.
Bolikhamsai is a province of Laos. Pakxan, Thaphabat, Pakkading, Borikhane, Viengthong, and Khamkeut are its districts and Pakxan is its capital city. The province is the site of the Nam Theun 2 Dam, the country's largest hydroelectric project.
Sainyabuli province is a province in northwest Laos. The capital of the province is the town of Saiyabuli. Saiyabuli is the only Lao province that is completely west of the Mekong River.