Bognor, also known as Bognor Regis, is a town, seaside resort and civil parish in the Arun district, in West Sussex on the south coast of England, 56 miles (90 km) south-west of London, 24 miles (39 km) west of Brighton, 6 miles (10 km) south-east of Chichester and 16 miles (26 km) east of Portsmouth.