Elmbridge is a local government district with borough status in Surrey, England. Its council is based in Esher, and other notable towns and villages include Cobham, Walton-on-Thames, Weybridge and Molesey. The borough lies just outside the administrative boundary of Greater London, but is almost entirely within the M25 motorway which encircles London. Many of the borough's urban areas form part of the wider Greater London Built-up Area.