Welwyn Hatfield is a local government district with borough status in the county of Hertfordshire, England. Its council is based in Welwyn Garden City. The borough borders Hertsmere, St Albans, North Hertfordshire, East Hertfordshire, Broxbourne, and the London Borough of Enfield.
The borough includes the two towns of Welwyn Garden City and Hatfield, along with numerous smaller settlements from Woolmer Green in the north to Cuffley in the south. The borough has six railway stations on the Great Northern Railway; five being on the main line and one on the Hertford loop line. The Digswell Viaduct is a local landmark. The A1 road passes through the borough.
