The 17th parallel north is a circle of latitude

Circle of latitude

A circle of latitude, on the Earth, is an imaginary east-west circle connecting all locations that share a given latitude...

 that is 17 degrees

Degree (angle)

A degree , usually denoted by ° , is a measurement of plane angle, representing 1⁄360 of a full rotation; one degree is equivalent to π/180 radians...

 north

True north

True north is the direction along the earth's surface towards the geographic North Pole.True geodetic north usually differs from magnetic north , and from grid north...

 of the Earth's

Earth

Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

 equatorial plane

Equator

An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere's axis of rotation and containing the sphere's center of mass....

. It crosses Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

, Asia

Asia

Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...

, the Indian Ocean

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

, the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, Central America

Central America

Central America is the central geographic region of the Americas. It is the southernmost, isthmian portion of the North American continent, which connects with South America on the southeast. When considered part of the unified continental model, it is considered a subcontinent...

, the Caribbean

Caribbean

The Caribbean is a crescent-shaped group of islands more than 2,000 miles long separating the Gulf of Mexico and the Caribbean Sea, to the west and south, from the Atlantic Ocean, to the east and north...

 and the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

.

The parallel is particularly significant in the history of Vietnam

Vietnam

Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 (see below).

Geography

Starting at the Prime Meridian

Prime Meridian

The Prime Meridian is the meridian at which the longitude is defined to be 0°.The Prime Meridian and its opposite the 180th meridian , which the International Date Line generally follows, form a great circle that divides the Earth into the Eastern and Western Hemispheres.An international...

 and heading eastwards, the parallel 17° north passes through:

Co-ordinates	Country, territory or sea	Notes
17°0′N 0°0′E
17°0′N 4°14′E
17°0′N 15°30′E
17°0′N 24°0′E
17°0′N 37°0′E
17°0′N 39°2′E	Red Sea Red Sea The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...
17°0′N 41°47′E		Farasan Islands Farasan Islands Farasan Islands is a large coral island group in the Red Sea, belonging to Saudi Arabia. It is located some 40 km offshore from Jizan, in the far southwestern part of the country. It is located at around . It is a protected area and was home to the extinct Arabian gazelle and, in winter, migratory...
17°0′N 41°53′E	Red Sea Red Sea The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...
17°0′N 42°33′E
17°0′N 43°10′E
17°0′N 46°57′E
17°0′N 47°23′E
17°0′N 52°57′E
17°0′N 54°7′E	Indian Ocean Indian Ocean The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...	Arabian Sea Arabian Sea The Arabian Sea is a region of the Indian Ocean bounded on the east by India, on the north by Pakistan and Iran, on the west by the Arabian Peninsula, on the south, approximately, by a line between Cape Guardafui in northeastern Somalia and Kanyakumari in India...
17°0′N 54°41′E
17°0′N 54°59′E	Indian Ocean Indian Ocean The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...	Arabian Sea Arabian Sea The Arabian Sea is a region of the Indian Ocean bounded on the east by India, on the north by Pakistan and Iran, on the west by the Arabian Peninsula, on the south, approximately, by a line between Cape Guardafui in northeastern Somalia and Kanyakumari in India...
17°0′N 73°17′E		Maharashtra Maharashtra Maharashtra is a state located in India. It is the second most populous after Uttar Pradesh and third largest state by area in India... > Karnataka Karnataka Karnataka , the land of the Kannadigas, is a state in South West India. It was created on 1 November 1956, with the passing of the States Reorganisation Act and this day is annually celebrated as Karnataka Rajyotsava... > Andhra Pradesh Andhra Pradesh Andhra Pradesh , is one of the 28 states of India, situated on the southeastern coast of India. It is India's fourth largest state by area and fifth largest by population. Its capital and largest city by population is Hyderabad.The total GDP of Andhra Pradesh is $100 billion and is ranked third...
17°0′N 82°17′E	Indian Ocean Indian Ocean The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...	Bay of Bengal Bay of Bengal The Bay of Bengal , the largest bay in the world, forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered mostly by the Eastern Coast of India, southern coast of Bangladesh and Sri Lanka to the west and Burma and the Andaman and Nicobar Islands to the...
17°0′N 94°27′E	(Burma)
17°0′N 96°54′E	Indian Ocean Indian Ocean The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...	Gulf of Martaban Gulf of Martaban The Gulf of Martaban is an arm of the Andaman Sea in the southern part of Burma. The gulf is named after the port city of Mottama . The Salween Sittaung and Yangon rivers empty into it....
17°0′N 97°12′E	(Burma)
17°0′N 98°37′E
17°0′N 104°44′E
17°0′N 106°26′E
17°0′N 107°7′E	South China Sea South China Sea The South China Sea is a marginal sea that is part of the Pacific Ocean, encompassing an area from the Singapore and Malacca Straits to the Strait of Taiwan of around...	Passing through the disputed Paracel Islands Paracel Islands The Paracel Islands, also called Xisha Islands in Chinese and Hoàng Sa Islands in Vietnamese, is a group of islands under the administration of Hainan Province, The People's Republic of China. Vietnam and the Republic of China also claim sovereignty of these islands...
17°0′N 120°27′E		Island of Luzon Luzon Luzon is the largest island in the Philippines. It is located in the northernmost region of the archipelago, and is also the name for one of the three primary island groups in the country centered on the Island of Luzon...
17°0′N 122°29′E	Pacific Ocean Pacific Ocean The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...	Philippine Sea Philippine Sea The Philippine Sea is a marginal sea east and north of the Philippines occupying an estimated surface area of 2 million mi² on the western part of the North Pacific Ocean... > Passing between the islands of Guguan Guguan Guguan is an island in the Northern Marianas island chain and is 130 miles north of Saipan. It measures only 3.87 km² but contains two volcanoes, one of which is active. A major eruption in 1883 produced pyroclastic flows as well as lava flows. The coast is bordered by steep basaltic rock with...  and Sarigan Sarigan Sarigan is a small island in the Northern Mariana Island chain. It is the result of a Holocene Era stratovolcano with no known historic eruptions, although a swarm of volcano-tectonic earthquakes took place here in the summer of 2005.... , > into an unnamed part of the Ocean
17°0′N 100°17′W
17°0′N 91°7′W
17°0′N 89°9′W
17°0′N 88°13′W	Caribbean Sea Caribbean Sea The Caribbean Sea is a sea of the Atlantic Ocean located in the tropics of the Western hemisphere. It is bounded by Mexico and Central America to the west and southwest, to the north by the Greater Antilles, and to the east by the Lesser Antilles....	Passing just south of the island of Nevis Nevis Nevis is an island in the Caribbean Sea, located near the northern end of the Lesser Antilles archipelago, about 350 km east-southeast of Puerto Rico and 80 km west of Antigua. The 93 km² island is part of the inner arc of the Leeward Islands chain of the West Indies... , > Passing just north of the island of Redonda Redonda Redonda is a very small, uninhabited Caribbean island which is part of Antigua and Barbuda, in the Leeward Islands, West Indies.This small island lies southwest of Antigua, in the waters between the islands of Nevis and Montserrat... ,
17°0′N 61°46′W		Island of Antigua Antigua Antigua , also known as Waladli, is an island in the West Indies, in the Leeward Islands in the Caribbean region, the main island of the country of Antigua and Barbuda. Antigua means "ancient" in Spanish and was named by Christopher Columbus after an icon in Seville Cathedral, Santa Maria de la...
17°0′N 61°44′W	Atlantic Ocean Atlantic Ocean The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...
17°0′N 25°19′W		Santo Antão island
17°0′N 25°6′W	Atlantic Ocean Atlantic Ocean The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...
17°0′N 16°17′W
17°0′N 5°39′W

Vietnam

The Seventeenth parallel was the provisional military demarcation line between North

North Vietnam

The Democratic Republic of Vietnam , was a communist state that ruled the northern half of Vietnam from 1954 until 1976 following the Geneva Conference and laid claim to all of Vietnam from 1945 to 1954 during the First Indochina War, during which they controlled pockets of territory throughout...

 and South Vietnam

South Vietnam

South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...

 established by the Geneva Accords of 1954

Geneva Conference (1954)

The Geneva Conference was a conference which took place in Geneva, Switzerland, whose purpose was to attempt to find a way to unify Korea and discuss the possibility of restoring peace in Indochina...

. The demarcation line did not exactly coincide with the 17th parallel but ran south of it, approximately along the Ben Hai River

Ben Hai River

The Ben Hai River is a river in central Vietnam which became an important landmark in the partition of the country into a northern and a southern zone along the 17th parallel by the Geneva Accords of 1954...

 in Quang Tri Province

Quang Tri Province

Quảng Trị is a province on the North Central Coast of Vietnam, north of the former imperial capital of Huế.-Geography:Located in North Central Vietnam, Quang Tri Province is surrounded by Quang Binh Province on the north, Thua Thien-Hue Province on the south, Savannakhet Province of Laos on the...

 to the village of Bo Ho Su and from there due west to the Laos

Laos

Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west...

-Vietnam border.

In 1976 the demarcation line was made redundant as Vietnam was unified following the surrender of the South Vietnamese government.

See also

• 16th parallel north
  16th parallel north
  The 16th parallel north is a circle of latitude that is 16 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Indian Ocean, the Pacific Ocean, Central America, the Caribbean and the Atlantic Ocean....
  
  
• 18th parallel north
  18th parallel north
  The 18th parallel north is a circle of latitude that is 18 degrees north of the Earth's equatorial plane. It crosses Africa, Asia, the Indian Ocean, the Pacific Ocean, Central America, the Caribbean and the Atlantic Ocean....