Windsor Castle

Windsor Castle is one of the scenic outskirts of London and a popular day trip destination.

The Windsor Castle is mentioned as a destination for having a gin and tonic. It is indicated to be a popular drinking spot, emphasizing social drinking culture in London.Although not a specific name of a pub, it seems like there is a pub near Windsor Castle where the narrator plans to enjoy a gin and tonic. Windsor Castle itself is an iconic historical site, but it's not detailed here as a pub or drinking location.