| Basic: |
| An island or island group is a type of land topographical feature. |
| Documentation: |
| Comment: A specialization of LandTopographicalFeature . Each instance of #$IslandRegion is either an island, a group of islands (such as an Archipelago ), or an area that includes part but not all of an island (see IslandSubregion ). <p> Note that the instances of #$IslandRegion include certain groups of scattered islands that do not form a natural geographical area, but which are geopolitical areas and/or were historically significant. For example, FrenchPolynesia, Cyclades, OuterHebrides-Archipelago, and Grenadines-Islands. |
| Structure: |
| Some shoreline is in every island or island group. |
| Miscellaneous: |
| Types of island or island group include island areas, groups of islands, and islands. |
| Every type of island is a type of island or island group. Every island or island group is surrounded by some body of water. |