Subject
- Oceans24
- Environment13
- Boundaries12
- Economy7
- Dredging6
- Fishing6
- Naval architecture6
- Offshore oil and gas leases6
- Recreation6
- Shipbuilding industry6
- Shipping6
- Society6
- Tourism6
- Location5
- Grids (Cartography)4
- Utilities and Communication4
- Coasts2
- Contiguous zones (Law of the sea)2
- Counties2
- Economic zones (Law of the sea)2