Yapton is a village and civil parish in the Arun District of West Sussex, England. It is centred three miles (4.8 km) north east of Bognor Regis at the intersection of the B2132 and B2233 roads.

Arun is a local government district in West Sussex, England. Its council is based in Littlehampton. The district's other towns are Arundel and Bognor Regis. The district is named after the River Arun, which runs through the centre of the district. Parts of the district fall within the South Downs National Park.