Arun District is located in West Sussex, England. It encompasses several towns, including Littlehampton, Bognor Regis, and Arundel. The district is known for its coastal areas along the English Channel and features a mix of urban and rural landscapes. The area is rich in history, with landmarks such as Arundel Castle and the River Arun running through it. Arun District also offers various recreational activities, including beaches, parks, and nature reserves, making it a popular destination for both residents and visitors.