Berwick is a village and civil parish in the Wealden district of East Sussex in England. The village lies immediately to the south of the A27 road between Lewes and Polegate, about three miles west of the latter. The parish is located in the River Cuckmere floodplain, north of the South Downs. The place-name 'Berwick' is here first attested in the Domesday Book of 1086, where it appears as Berewice. The name means 'corn farm'.