Norwich (, also ) is a city on the River Wensum in England. It is the regional administrative centre and county town of Norfolk. During the 11th century, Norwich was the largest city in England after London, and one of the most important places in the kingdom. Until the Industrial Revolution, Norwich was the capital of the most populous county in England.

World War II postal acronyms were first used to convey messages between servicemen and their sweethearts back home. They were usually written on the back of the envelope.