South West Hertfordshire, Harpenden and Berkhamsted Labour Covering Harpenden, Tring and Berkhamsted and SW Herts (Kings Langley, Abbots Langley, Rickmansworth and Chorleywood)
This is the area covered by SW Herts Constituency Labour Party.
Half of the constituency is in Dacorum Borough (along with Hemel Hempstead), and the other half is in Three Rivers. Our three Branches reflect this: Berkhamsted & Tring Branch is in Dacorum. Chess Valley Branch and South Oxhey Branch are in Three Rivers.