Maresfield is a village and civil parish in the Wealden District of East Sussex, England. The village itself lies 1.5 miles (2.4 km) north from Uckfield; the nearby villages of Nutley and Fairwarp; and the smaller settlements of Duddleswell and Horney Common; and parts of Ashdown Forest all lie within Maresfield parish.

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.