Greenwich
With over 225,000 residents and encompassing an area of 18.3 square miles, Greenwich is a mid-sized London borough which follows the giant bend of the River Thames in the north of the borough, stretching west to east from Greenwich through Charlton and Woolwich to Thamesmead. It is flanked in the south by Eltham.
Lewisham
The London Borough of Lewisham has a population of over 255,000 in its 13.6 square miles.
Bromley
Bromley is the largest London borough in terms of area. It covers an area of 58 square miles, including 35 square miles of protected countryside, with a population of over 305,000.
Croydon
In terms of population, the London Borough of Croydon is the largest of all 33 boroughs, with over 330,000 people residing within its borders. This makes it the ninth most populous local authority in England out of all 354 boroughs.
Southwark
The London Borough of Southwark has a resident population of around 270,000 across its 11.1 square miles.