The Royal Borough of Kensington and Chelsea is an Inner London borough with royal status. It is the smallest borough in London and the second smallest district in England; it is one of the most densely populated administrative regions in the United Kingdom. It includes affluent areas such as Notting Hill, Kensington, South Kensington, Chelsea, and Knightsbridge. The borough is immediately west of the City of Westminster and east of the London Borough of Hammersmith and Fulham.