Every port is a harbour.

Port and harbor engineering is the design, construction, and operation of ports, harbors, canals, and other maritime facilities. It is not to be confused with marine engineering.  Port and harbor engineering covers a wide range of topics, including: The business of ports Structural design of marine infrastructure Port design Planning, designing, and constructing harbor facilities Modern technologies Technologies, concepts, methods, and hydrodynamic theories  Port and harbor engineers may also be responsible for: Construction and maintenance of fishing harbors and fish landing... Show more

Port and harbor engineering is the design, construction, and operation of ports, harbors, canals, and other maritime facilities. It is not to be confused with marine engineering. 

Port and harbor engineering covers a wide range of topics, including:
The business of ports
Structural design of marine infrastructure
Port design
Planning, designing, and constructing harbor facilities
Modern technologies
Technologies, concepts, methods, and hydrodynamic theories 

Port and harbor engineers may also be responsible for:
Construction and maintenance of fishing harbors and fish landing centers
Fishery infrastructures like hatcheries, ponds, farms, etc.
Shore-based tourism projects
Infrastructures of ports and coastal roads

Show less