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Maritime Boundaries Geodatabase: Internal Waters, version 4
Citable as data publication
Flanders Marine Institute (2023). Maritime Boundaries Geodatabase: Internal Waters, version 4. Available online at

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Availability: Creative Commons License This dataset is licensed under a Creative Commons Attribution 4.0 International License.


Internal Waters from the VLIZ Maritime Boundaries Geodatabase. Internal Waters are the waters on the landward side of the baseline of a nation's territorial waters, except in archipelagic states. It includes waterways such as rivers and canals, and sometimes the water within small bays.


In the Maritime Boundaries Geodatabase, Marine Regions makes available most of the maritime areas defined in the Law of the Sea Convention: Exclusive Economic Zones (EEZ), Territorial Seas (TS), Contiguous Zones (CZ), Internal Waters (IW) and Archipelagic Waters (AW).

Marine/Coastal, Administrative units, Boundaries, Data not evaluated, Esri Shapefile, Exclusive economic zones, Geopackage, Geoscientific Information, Google Keyhole Markup Language (KML/KMZ), Law of the sea, Metadata conformant, No limitations to public access, Oceans, Sea regions, WGS84 (EPSG:4326), World Oceans

Geographical coverage
World Oceans [Marine Regions]

Vlaams Instituut voor de Zee (VLIZ), moredata creatordata ownerdata managerdatabase developer

Related datasets
Parent dataset:
Maritime Boundaries Geodatabase, version 12, more
Previous version:
Maritime Boundaries Geodatabase: Internal Waters, version 3, more

LifeWatch: Flemish contribution to, more
MRG: Marine Regions, towards a standard for georeferenced marine names, more

Metadatarecord created: 2023-10-09
Information last updated: 2023-10-25
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy