Borders are geographic boundaries of political entities or legal jurisdictions, such as governments, sovereign states, federated states, and other subnational entities. Some borders—such as a state's internal administrative border, or inter-state borders within the Schengen Area—are open and completely unguarded. Other borders are partially or fully controlled, and may be crossed legally only at designated border checkpoints and border zones may be controlled. Mostly contentious, borders may even foster the setting up of buffer zones.
Intro Definitions Classification of borders Maritime borders Border economics Politics Cross-border regions Border studies Image gallery See also References Further reading External links
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