Hartfield is a village and civil parish in the Wealden district of East Sussex, England. The parish also includes the settlements of Colemans Hatch, Hammerwood and Holtye, all lying on the northern edge of Ashdown Forest.

Wealden is a local government district in East Sussex, England. Its council is based in Hailsham, the district's largest town. The district also includes the towns of Crowborough, Polegate and Uckfield, along with numerous villages and surrounding rural areas. The district's name comes from the Weald, the landscape and ancient woodland which occupies much of the centre and north of the area.