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The official French maritime boundaries portal

Placed under the authority of the General Secretariat for the Sea, this portal is intended for all those seeking legal and geographical information concerning French maritime boundaries.

Discover the portal
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French maritime areas

This theme brings together information on maritime delimitations: straight baselines ;…
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Traffic and shipping

This theme gathers information on the limits that regulate maritime traffic and…
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Limits of competence and reporting

This theme gathers information on administrative boundaries establishing jurisdiction or…
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Occupation and use of the maritime domain

This theme gathers information relating to the limits regulating occupations (e.g. ports,…
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Environmental protection

This theme brings together information on geographical data relating to the protection of…
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