Sussex is a maritime county in southern England, bounded on the west by Hampshire, on the north by Surrey, on the northeast by Kent, and on the south by the English Channel. The area is 1459 square miles.
The coast is lowand has been much altered over time by submergence and by alluvial deposits. Pevensey, Rye, and Winchelsea, formerly ports, have been cut off from the sea by new land deposits, while there are drowned sites of 13th and 14th century settlements. The principal rivers are the Rother, Ouse, and Arun, flowing into the English Channel. Once heavily forested, Sussex still is one of the most heavily wooded of English counties.
The county is divided for administrative purposes into East and West Sussex. Along the coast are seaside resorts such as Brighton, Hastings, and Eastbourne. Other boroughs include Chichester, Horsham, Lewes, and Rye. There are no important ports on the Sussex coast.