Arun District
Shown within West Sussex
Geography
Status:	District
Region:	South East England
Admin. County:	West Sussex
Area: - Total	Ranked 178th 221.01 km²
Admin. HQ:	Littlehampton
ONS code:	45UC
Demographics
Population: - Total (2002 est.) - Density	Ranked 116th 141,842 642 / km²
Ethnicity:	98.5% White
Politics
Arun District Council http://www.arun.gov.uk/
Leadership:	Leader & Cabinet
Executive:	Conservative
MPs:	Howard Flight, Nick Gibb, Peter Bottomley

Arun is a local government district in West Sussex, England. The district is named for the River Arun. Its main towns are Littlehampton and Bognor Regis. It was formed on April 1, 1974 from Littlehampton and Bognor Regis urban districts, the borough of Arundel, and parts of Worthing Rural District and Chichester Rural District .