The London Borough of Bexley /ˈbɛksli/ is an London borough in south-east London, England. It has common borders with the London Borough of Bromley to the south, the Royal Borough of Greenwich to the west, across the River Thames to the north it borders the London Borough of Havering, the London Borough of Barking and Dagenham and a small boundary with the unitary authority Thurrock in Essex to the north east, to the east it borders the Dartford borough in Kent and to the south east a boundary with the Sevenoaks district of Kent. The borough is within the Thames Gateway, an area designated as a national priority for urban regeneration.