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The sovereignty of a coastal State extends, beyond its land territory and internal waters and, in the case of an archipelagic State, its archipelagic waters, to an adjacent belt of sea, described as the territorial sea (Source: UNCLOS, Part II, Sec. 1, Art. 2) Every State has the right to establish the breadth of its territorial sea up to a limit not exceeding 12 nautical miles, measured from baselines determined in accordance with this Convention. (Source: UNCLOS, Part II, Sec. 1, Art. 3)
The waters under the jurisdiction of a coastal State extending at most 12 nautical miles (22,2 km; 13,8 mi) from the baseline (usually the mean low-water mark) of the State (Source: draft based on UNCLOS/MMA)

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  • territorial sea