The border town of Berwick Upon Tweed is England's most northerly town, at the mouth of the River Tweed, in North East England. It was a Royal Borough of Scotland and changed hands between England and Scotland many times, it has been an English town since 1482.

Berwick has twice had protecting walls built, the first walls were finished during the reign of Edward II, little remains of them.
The walls which survive were built in 1558, on the orders of Queen Elizabeth I. They are now one of Berwick's most popular tourist attractions, visitors can enjoy a pleasant stroll around the fortifications.

Berwick Castle dates from around 1150 and overlooked the River Tweed. It has been in ruins since the Sixteenth century.

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The River Tweed at Berwick has three bridges:

Old Bridge, also known as Berwick Bridge, was built between 1611 and 1634. It is a red sandstone structure with fourteen arches.

The Royal Tweed 'New Bridge' is a concrete bridge which was
built in the 1920's.

The Royal Border Bridge is a railway viaduct which was
designed by Robert Stephenson.
It was opened by Queen Victoria in 1850.