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Max Planck Encyclopedia of Public International Law [MPEPIL]


Tobias H Irmscher

From: Oxford Public International Law (http://opil.ouplaw.com). (c) Oxford University Press, 2023. All Rights Reserved.date: 21 March 2023

Act of state — Territory, acquisition and transfer — Sovereignty — Boundaries

Published under the auspices of the Max Planck Institute for Comparative Public Law and International Law under the direction of Professor Anne Peters (2021–) and Professor Rüdiger Wolfrum (2004–2020). 

1 An enclave in international law is an isolated part of the territory of a State, which is entirely surrounded by the territory of only one foreign State—the surrounding, enclaving, or host State—so that it has no communication with the territory of the State to which it belongs—the mother or home State—other than through the territory of the host State. Seen from the latter’s perspective, such territory is an exclave. Contiguous areas that are accessible only via the territory of another State notwithstanding their geographical connection to the home...
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