Battle is a town and civil parish in the district of Rother in East Sussex, England. It lies 50 miles (80 km) south-east of London, 27 miles (43 km) east of Brighton and 20 miles (32 km) east of Lewes. Hastings is to the south-east and Bexhill-on-Sea to the south. Battle is in the designated High Weald Area of Outstanding Natural Beauty. The parish population was 6,673 according to the 2011 Census and 6,800 in the 2021 census. Battle contains the site of, and is named after, the Battle of Hastings, where William, Duke of Normandy, defeated King Harold II to become William I of England in 1066. For some 250 years after 1066, official documents referred to the town as (Latin) Bellum or (French) Bataille.

Rother is a local government district in East Sussex, England. Its council is based in Bexhill-on-Sea. The district is named after the River Rother which flows within its boundaries.