The United Nations Convention on the Law of the Sea (UNCLOS), also called the Law of the Sea Convention or the Law of the Sea Treaty, is an international agreement that establishes a legal framework for all marine and maritime activities. As of May 2023, 168 countries and the European Union are parties.
Territorial waters are informally an area of water where a sovereign state has jurisdiction, including internal waters, the territorial sea, the contiguous zone, the exclusive economic zone, and potentially the extended continental shelf. In a narrower sense, the term is often used as a synonym for the territorial sea.
An exclusive economic zone (EEZ), as prescribed by the 1982 United Nations Convention on the Law of the Sea, is an area of the sea in which a sovereign state has exclusive rights regarding the exploration and use of marine resources, including energy production from water and wind.
The Argentine Sea is a marginal sea of the Atlantic Ocean adjacent to the southern tip of South America. It ranges from the mouth of the estuary of the Río de la Plata in the north to the Isla de los Estados in the south, and from the Argentine coast to the 200 meters isobath. Its width varies between 210 km in front of Mar del Plata and 850 km at the latitude of the Falkland Islands. The coastline extends for 4,725 km. To the east of the Argentine Sea extends much deeper and more extensive Argentine Basin.
Portugal has the 5th largest exclusive economic zone (EEZ) within Europe, 3rd largest of the EU and the 20th largest EEZ in the world, at 1,727,408 km2.
Tricontinental Chile is a geopolitical concept denoting Chile's unique position with its mainland in South America, Easter Island in Oceania (Polynesia) and the Chilean Antarctic Territory in Antarctica.
The Canada–France Maritime Boundary Case was a dispute between Canada and France that was decided in 1992 by an arbitral tribunal created by the parties to resolve the dispute. The decision established the extent of the Exclusive Economic Zone of the French territory of Saint Pierre and Miquelon.
There are disputes between China, Japan, Taiwan and South Korea over the extent of their respective exclusive economic zones (EEZs) in the East China Sea.
The Blue Amazon or Brazilian maritime territory is the exclusive economic zone (EEZ) of Brazil. It is an offshore area of 3.6 million square km on the Brazilian coast, rich in marine biodiversity and energy resources. The size is equivalent to the surface of the Amazon rainforest. The name is a reference to the biologically rich region of the Brazilian Amazon, with the addition of the adjective blue denoting the ocean.
Japan has the eighth-largest exclusive economic zone (EEZ) in the world. The total area of Japan is about 380 thousand km2. Japan's EEZ area is vast and the territorial waters and EEZ together is about 4.47 million km2.
Australia's exclusive economic zone (EEZ) was declared on 1 August 1994 and extends from 12 to 200 nautical miles from the coastline of Australia and its external territories, except where a maritime delimitation agreement exists with another state. To the 12 nautical-mile boundary is Australia's territorial waters. Australia has the third-largest exclusive economic zone, behind France and the United States but ahead of Russia, with the total area of 8,148,250 square kilometres (3,146,060 sq mi), which exceeds its land territory.
The exclusive economic zone of North Korea stretches 200 nautical miles from its basepoints in both the Yellow Sea and the Sea of Japan. The exclusive economic zone (EEZ) was declared in 1977 after North Korea had contested the validity of the Northern Limit Lines (NLL) set up after the Korean War as maritime borders. The EEZ has not been codified in law and North Korea has never specified its coordinates, making it difficult to determine its specific scope.
Vietnam claims an exclusive economic zone (EEZ) of 1,395,096 km2 (538,650 sq mi) with 200 nautical miles from its shores.
Malaysia claims an exclusive economic zone (EEZ) of 334,671 km2 (129,217 sq mi) with 200 nautical miles from its shores. The EEZ includes much of the southern area of the South China Sea. Malaysia has the 29th longest coastline of 4,675 km (2,905 mi). The coastline comprises two distinct parts of Malaysia. The Peninsular Malaysia's coastline to the west is 2,068 km (1,285 mi) and East Malaysia's coastline is 2,607 km (1,620 mi). They are separated by the South China Sea. The total land area, including inland bodies of water, of Malaysia is 330,803 km2 (127,724 sq mi). Peninsular Malaysia borders Thailand in the north, while East Malaysia borders Brunei and Indonesia on the island of Borneo.
Thailand has the world's 64th largest exclusive economic zone (EEZ), with an area of 299,397 km2 (115,598 sq mi). It claims an EEZ of 200 nmi from its shores, which has long coastlines with the Andaman Sea and Strait of Malacca to the west and the Gulf of Thailand to the east, although all of its EEZ is limited by maritime boundaries with neighbouring countries.
The United Kingdom's exclusive economic zone is the fifth largest in the world at 6,805,586 km2 (2,627,651 sq mi). It comprises the exclusive economic zones surrounding the United Kingdom, the Crown Dependencies, and the British Overseas Territories. The figure does not include the EEZ of the British Antarctic Territory.
India has the 18th-largest exclusive economic zone (EEZ) with a total size of 2,305,143 km2 (890,021 sq mi). It includes the Lakshadweep island group in the Laccadive Sea off the southwestern coast of India and the Andaman and Nicobar Islands in the Bay of Bengal and the Andaman Sea. India's EEZ is bordered to the west by Pakistan, to the south by the Maldives and Sri Lanka and to the east by Bangladesh, Myanmar, Thailand, Malaysia and Indonesia. Based on new scientific data, India has petitioned United Nations to extend its EEZ from 200 Nautical miles to 500 miles.
Spain's exclusive economic zone (EEZ) is the 30th largest in the world with 1,039,233 km2 (401,250 sq mi). It is mostly in the Atlantic Ocean and the Mediterranean Sea. This is approximately double the entire Spanish land area. Together the land and sea surface would account for approximately 0.3% of the world's land surface.
A mar presencial or heritage marine reserve is a zone of influence demarcated by a maritime country in the high seas adjacent to its exclusive economic zone (EEZ). The objective of this oceanopolitical concept or doctrine, is to signal to third parties where the coastal country's interests are, or could be directly involved.
Italy has the world's 48th largest exclusive economic zone (EEZ), with an area of 541,915 km2 (209,235 sq mi). It claims an EEZ of 200 nmi from its shores, which has long coastlines with the Tyrrhenian Sea to the west, the Ionian Sea to the south and the Adriatic Sea to the east. Its EEZ is limited by maritime boundaries with neighboring countries to the north-west, east and southeast.
