Pirbright is a village in Surrey, England. Pirbright is in the borough of Guildford and has a civil parish council covering the traditional boundaries of the area. Pirbright contains one buffered sub-locality, Stanford Common near the nation's farm animal disease research institute. The village's grade II* listed medieval church has a large Boulder grave for explorer Henry Morton Stanley. The nearby Hodge Brook is marked as Congo Stream, between Ruwenzori and Stanley Hills.

The Borough of Guildford is a local government district with borough status in Surrey, England. With around half of the borough's population, Guildford is its largest settlement and only town, and is where the council is based.