Port in NE England, at the mouth of the
Tweed, Northumberland, 5 km/3 mi SE of the 
Scottish border; population (1991) 27,230.
It is a fishing port. Other industries
include iron foundries and shipbuilding.
features Three bridges cross the Tweed:
the Old Bridge 1611-34 with 15 arches, the
Royal Border railway bridge 1850 
constructed by Robert Stephenson, and the
Royal Tweed Bridge 1928. history Held
alternately by England and Scotland for
centuries, Berwick was in 1551 made a neutral
town; it was attached to Northumberland in
1885.