Cheapside is a street in the City of London, the historic and modern financial centre of London, which forms part of the A40 London to Fishguard road. It links St. Martin's Le Grand with Poultry. Near its eastern end at Bank junction, where it becomes Poultry, is Mansion House, the Bank of England, and Bank station. To the west is St. Paul's Cathedral, St. Paul's tube station and Paternoster Square.