Border

Borders are generally defined as geographical boundaries, imposed either by features such as oceans and terrain, or by political entities such as governments, sovereign states, federated states, and other subnational entities. Political borders can be established through warfare, colonization, or mutual agreements between the political entities that reside in those areas.[1]

Some borders—such as most states' internal administrative borders, or inter-state borders within the Schengen Area—are open and completely unguarded.[2] Most external political borders are partially or fully controlled, and may be crossed legally only at designated border checkpoints; adjacent border zones may also be controlled. For the purposes of border control, airports and seaports are also classed as borders. Most countries have some form of border control to regulate or limit the movement of people, animals, and goods into and out of the country. Under international law, each country is generally permitted to legislate the conditions that have to be met in order to cross its borders, and to prevent people from crossing its borders in violation of those laws.

South Korean policemen standing guard at the North Korea-South Korea border. View from South Korea.
North Korean policemen standing guard at the North Korea-South Korea border. View from North Korea.

Buffer zones may be set up on borders between belligerent entities to lower the risk of escalation. While border refers to the boundary itself, the area around the border is called the frontier.

  1. ^ Slater, Terry (2016). "The Rise and Spread of Capitalism". In Daniels, Peter; Bradshaw, Michael; Shaw, Denis; Sidaway, James; Hall, Tim (eds.). An Introduction To Human Geography (5th ed.). Pearson. p. 47. ISBN 978-1-292-12939-6.
  2. ^ Fehlen, Fernand [in Luxembourgish] (2017). "Mental Barriers Replacing Nation-State Borders". In Andrén, Mats; Lindkvist, Thomas; Söhrman, Ingmar [in Swedish]; Vajta, Katharina (eds.). Cultural Borders of Europe: Narratives, Concepts and Practices in the Present and the Past. Berghahn Books. p. 122. ISBN 978-1-78533-591-4.

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