The Den is a football stadium in Bermondsey, south-east London, and the home of Millwall Football Club. It is situated adjacent to the South London railway line originating at London Bridge, and a quarter-of-a-mile from The Old Den, which it replaced in 1993. Built on a previous site of housing, a church and the Senegal Fields playgrounds, it has an all-seated capacity of 20,146, with the highest match attendance during the 2017-18 season being 17,614.
The Den is the sixth ground that Millwall have occupied since their formation in the Millwall area of the Isle of Dogs in 1885.
Wikipedia https://en.wikipedia.org/wiki/The_Den
Coordinates 51°29'9.284" N -0°3'3.321" E