Crowborough is a town and civil parish in East Sussex, England, in the Weald at the edge of Ashdown Forest in the High Weald Area of Outstanding Natural Beauty, 7 miles (11 km) south-west of Royal Tunbridge Wells and 33 miles (53 km) south of London. It had a population 20,607 at the 2011 Census.

East Sussex is a ceremonial county in South East England. It is bordered by Kent to the north-east, West Sussex to the west, Surrey to the north-west, and the English Channel to the south. The largest settlement is the city of Brighton and Hove, and the county town is Lewes.