The Borough of Basildon is a local government district with borough status in Essex, England. It is named after its largest town, Basildon, where the council is based. The borough also includes the towns of Billericay and Wickford and surrounding rural areas.
The borough borders the City of Chelmsford to the north, the Borough of Brentwood to the west, the Thurrock unitary authority area to the south, the Borough of Castle Point to the south-east, and Rochford District to the north-east.