Berkeley Square is a garden square in the West End of London. It is one of the best known of the many squares in London, located in Mayfair in the City of Westminster. It was laid out in the mid 18th century by the architect William Kent, and originally extended further south. The garden's very large London Plane trees are among the oldest in central London, planted in 1789.

The West End of London is a district of Central London, London, England, west of the City of London and north of the River Thames, in which many of the city's major tourist attractions, shops, businesses, government buildings and entertainment venues, including West End theatres, are concentrated.