Sussex [ sʌsɪks ] (Old English Suþseaxe " South Saxons " ) is a county in southern England, around the town of Brighton. Sussex was one of the 39 traditional counties of England. Today, it is administratively in the county of West Sussex (1989 km ², capital Chichester ), East Sussex (1759 km ², capital Lewes ) and in the territory of the City of Brighton and Hove, which is since 1997 an independent city- county ( Unitary Authority ) divided. Sussex is bordered on the north by Surrey, in the north- east by Kent, on the west by Hampshire, and on the south by the English Channel. By 1974, Sussex was a ceremonial county since West Sussex and East Sussex take that function.

The name means South region of Saxony (see Essex, Middlesex, Wessex ) and can be traced back 477. The Kingdom of Sussex was one of the small kingdoms of the Anglo-Saxons, but came in the course of the 8th century under the dominance of the neighboring kingdom of Wessex, where it rose 823. For opposing the Norman mainland Sussex had even before the invasion of 1066 intensive relationships. Hastings, the site of the decisive battle, is located in this area.

Today Sussex is mostly flat, with the hills of the South Downs and the Weald as the highest elevations. The rivers are short and not very significant. It is elongated along the coast, which also accounts for the largest economic factor. In addition to Brighton are still Bognor Regis and Eastbourne major seaside resorts. Inland prevails especially fruit growing and cattle breeding.

The largest cities in Sussex are Bexhill- on-Sea, Burgess Hill, Brighton, Chichester, Crawley, Eastbourne, East Grinstead, Hastings, Haywards Heath, Horsham, Hove and Worthing. Other cities are Arundel, Battle, Crowborough, Hailsham, Lewes, Midhurst, Petworth and Uckfield. Although Lancing is a village, it is due to its high population also important.