The London Borough of Bexley lies to the south east of Greater London, one of those boroughs referred to as Outer London. It has common borders with the London Borough of Bromley to the south, the London Borough of Greenwich to the west and the River Thames is the northern boundary with the London Borough of Havering and the London Borough of Barking and Dagenham. To the east there is a boundary with the Dartford borough in Kent
Source: Wikipedia