Subject
- Boundaries12
- Oceans8
- Environment7
- Counties3
- Census2
- Contiguous zones (Law of the sea)2
- Economic zones (Law of the sea)2
- Planning and Cadastral2
- Population2
- Population statictics2
- Protected areas2
- Society2
- Territorial waters2
- Administrative and political divisions1
- Biology and Ecology1
- Cartography1
- Coasts1
- Economy1
- Grids (Cartography)1
- Marine parks and reserves1