It was settled in 1849 by seafaring men, and its first industry was shipbuilding.
Its principal industries are shipbuilding and the manufacture of marine products and salt chemicals.
Among the city's major industries are shipbuilding, military, and aerospace.
"It's just a very emotive thing to say that there will never be shipbuilding in Portsmouth ever again," said Caroline Dinenage, a member of Parliament from the greater Portsmouth area and the granddaughter of a dockyard worker.
The main industries are shipbuilding and automobile manufacturing.
Århus' manufactures include metals, chemicals, machinery, beer, and tobacco products, and there are shipbuilding facilities.
Engineering plants manufacture cranes, harvesters, bulldozers, lumbering equipment, television sets, and refrigerators; there are shipbuilding and repair yards.
Among the industries found in the area are shipbuilding and repair; flour, pulp, and paper milling; woodworking; brewing; and the manufacture of bricks, buses, trucks, and aircraft.
More than 200 people joined a rally in Portsmouth on Saturday, in protest against BAE's announcement that it was to stop shipbuilding in the city.
It's got a tradition of shipbuilding, of fishing, of aquaculture; it's got an extensive electro-engineering network and a huge tradition of mining.
