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 treaty that establishes a legal framework for all marine and maritime activities. As of October 2024, 169 States and the European Union are parties.
A coast guard or coastguard is a maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with customs and security duties to being a volunteer organization tasked with search and rescue without law enforcement authority. In most countries, a typical coast guard's functions are distinct from those of the navy and the transit police, while in certain countries they have similarities to both.
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.
Law of the sea is a body of international law governing the rights and duties of states in maritime environments. It concerns matters such as navigational rights, sea mineral claims, and coastal waters jurisdiction. The connotation of ocean law is somewhat broader, but the law of the sea is so comprehensive that it covers all areas of ocean law as well.
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 Republic of Ireland–United Kingdom border, sometimes referred to as the Irish border or British–Irish border, runs for 499 km (310 mi) from Lough Foyle in the north-west of Ireland to Carlingford Lough in the north-east, separating the Republic of Ireland from Northern Ireland.
The Northern Limit Line or North Limit Line (NLL) – 북방한계선 – is a disputed maritime demarcation line in the Yellow (West) Sea between the Democratic People's Republic of Korea (DPRK) in the north, and the Republic of Korea (ROK) in the south. This line of military control acts as the de facto maritime boundary between North and South Korea.
The Malaysia–Singapore border is an international maritime border between the Southeast Asian countries of Malaysia, which lies to the north of the border, and Singapore to the south. The boundary is formed by straight lines between maritime geographical coordinates running along or near the deepest channel of the Straits of Johor.
The Scottish Adjacent Waters Boundaries Order 1999 is a statutory instrument of the United Kingdom government, defining the boundaries of internal waters, territorial sea, and British Fishing Limits adjacent to Scotland. It was introduced in accordance with the Scotland Act 1998, which established the devolved Scottish Parliament.
The Arctic consists of land, internal waters, territorial seas, exclusive economic zones (EEZs) and international waters above the Arctic Circle. All land, internal waters, territorial seas and EEZs in the Arctic are under the jurisdiction of one of the eight Arctic coastal states: Canada, Denmark, Finland, Iceland, Norway, Russia, Sweden and the United States. International law regulates this area as with other portions of Earth.
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.
The Outer Continental Shelf (OCS) is a legally defined geographic feature of the United States. The OCS is the part of the internationally recognized continental shelf of the United States which does not fall under the jurisdictions of the individual U.S. states.
Malaysia and Vietnam are two Southeast Asian countries with maritime boundaries which meet in the Gulf of Thailand and South China Sea. The two countries have overlapping claims over the continental shelf in the Gulf of Thailand. Both countries have, however, come to an agreement to jointly exploit the natural resources in the disputed area pending resolution of the dispute over sovereignty.
A maritime boundary is a conceptual division of Earth's water surface areas using physiographical or geopolitical criteria. As such, it usually bounds areas of exclusive national rights over mineral and biological resources, encompassing maritime features, limits and zones. Generally, a maritime boundary is delineated at a particular distance from a jurisdiction's coastline. Although in some countries the term maritime boundary represents borders of a maritime nation that are recognized by the United Nations Convention on the Law of the Sea, maritime borders usually serve to identify the edge of international waters.
Several states have claimed interests over the sea bed adjoining Rockall, an uninhabitable granite islet which is located within the exclusive economic zone (EEZ) of the United Kingdom. Ireland, Denmark, Iceland, and the United Kingdom have all made submissions to the commission set up under the United Nations Convention on the Law of the Sea (UNCLOS).
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 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.
The Spanish fishing trawler Sonia sank off the Cornish coast of England on 20 October 1984. On 19 October, in Irish territorial waters off the coast of County Wexford, the Sonia had been spotted by the Irish Naval Service patrol vessel Aisling and was suspected to be fishing illegally. The Sonia was ordered to halt and prepare to receive a boarding party, but did not comply.
A coastal state is a term found in the law of the sea. Although widely used in the legal documents, including the UN Convention on the Law of the Sea (UNCLOS), this term lacks a precise definition. The "essential idea" of a coastal state is having an open sea coast and asserting the sovereignty or jurisdiction in the areas of the sea adjacent to this coast. Norway, Canada, and Chile are examples of the coastal states, Churchill counts up a total of 150 of such states.
The Welsh Zone Order 2010 is a statutory instrument of the United Kingdom government, defining the boundaries of internal waters, territorial sea, and British Fishing Limits adjacent to Wales. It was introduced in accordance with the Government of Wales Act 2006, which reformed the devolved National Assembly for Wales.
