Denmark–United Kingdom

The maritime boundary between Denmark and the United Kingdom in the North Sea is an equidistance line, defined by only its two terminal points, that spans eleven nautical miles. A tripoint between the United Kingdom, Denmark, and Norway comprises the northern endpoint of the boundary, while a tripoint between the United Kingdom, Denmark, and Germany forms the southern endpoint. The boundary was established through a bilateral agreement in 1966, and later amended in 1971. A 2009 Exchange of Notes established the original continental shelf boundary to apply to the two States’ exclusive economic zones, creating one all-purpose maritime boundary.

Map showing the maritime boundary between Denmark and the UK

Denmark and the United Kingdom also share a maritime boundary in the North Atlantic Ocean: Denmark (Faroe Islands)–United Kingdom.

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